The odd side of United States.

Evidence-backed unusual places in United States, grouped with maps, original sources and useful geographic context. These are crawlable research records, not an indiscriminate directory: reports without enough depth remain available for exploration but are excluded from search indexing.

REPORTEDLY HAUNTED PLACE · Reported hauntings and folklore

Harvard Exit Theatre

United States

former movie theater in Seattle, Washington, United States

Map, evidence and context →SHIPWRECK · Expanded physical oddities

Bounty

Location recorded in Wikidata

1960 reconstruction of the original 1787 Royal Navy sailing ship

Map, evidence and context →SHIPWRECK · Expanded physical oddities

SS City of Rio de Janeiro

United States

American passenger ship built in 1878; sank in 1901

Map, evidence and context →SHIPWRECK · Expanded physical oddities

Bullhead Point Historical and Archeological District

United States

archaeological site and shipwreck in Sturgeon Bay, Wisconsin

Map, evidence and context →SHIPWRECK · Expanded physical oddities

Grape Shot

United States

shipwreck located off the coast of Plum Island, Wisconsin

Map, evidence and context →SHIPWRECK · Expanded physical oddities

Success

United States

shipwreck located off the coast of Whitefish Dunes State Park in Sevastopol, Wisconsin

Map, evidence and context →SHIPWRECK · Expanded physical oddities

SS Harriet B.

United States

wooden-hulled barge that served on the Great Lakes of North America

Map, evidence and context →SHIPWRECK · Expanded physical oddities

SS S.C. Baldwin

United States

wooden-hulled steam barge sunk in Lake Michigan

Map, evidence and context →SHIPWRECK · Expanded physical oddities

SS J.M. Allmendinger

United States

wooden-hulled steam barge wrecked in Lake Michigan

Map, evidence and context →SHIPWRECK · Expanded physical oddities

M/V Material Service

United States

American self-unloading diesel powered workbarge

Map, evidence and context →SHIPWRECK · Expanded physical oddities

USS Scorpion

United States

1959 Skipjack-class submarine that sunk on May 22, 1968 without conclusive explanation

Map, evidence and context →SHIPWRECK · Expanded physical oddities

USS Arizona Memorial

United States

memorial to soldiers killed on the USS Arizona during the attack on Pearl Harbor

Map, evidence and context →SHIPWRECK · Expanded physical oddities

USS Texas

Location recorded in Wikidata

second-class battleship of the United States Navy

Map, evidence and context →SHIPWRECK · Expanded physical oddities

Urca de Lima

United States

archaeological site in St. Lucie County, United States of America

Map, evidence and context →SHIPWRECK · Expanded physical oddities

HMS Culloden

United States

1776 Culloden-class third-rate ship of the line

Map, evidence and context →SHIPWRECK · Expanded physical oddities

CSS Georgia

United States

American Civil War Confederate ironclad warship

Map, evidence and context →SHIPWRECK · Expanded physical oddities

SS Continental

United States

bulk carrier that sank in Lake Michigan off the coast of Two Rivers, Wisconsin, United States

Map, evidence and context →SHIPWRECK · Expanded physical oddities

Cora F. Cressey

United States

ive masted schooner built at the Percy and Small Shipyard in Bath, Maine, in 1902

Map, evidence and context →IMPACT CRATER · Expanded physical oddities

Red Wing crater

United States

meteor crater located in McKenzie County, North Dakota

Map, evidence and context →SINKHOLE · Expanded physical oddities

Bayou Corne sinkhole

United States

collapsed underground salt dome cavern in Louisiana, USA

Map, evidence and context →SINKHOLE · Expanded physical oddities

The Inkpot

United States

sinkhole located at the Salt Creek Wilderness Area north of Roswell, New Mexico

Map, evidence and context →SINKHOLE · Expanded physical oddities

Devils Well

United States

sinkhole cave near Akers in the U.S. state of Missouri

Map, evidence and context →SINKHOLE · Expanded physical oddities

2022 East North Avenue storm drain collapse

United States

collapse and indefinite closure of 500-700 blocks East North Avenue in Baltimore, Maryland, United States, July 2022

Map, evidence and context →BLUE HOLE · Expanded physical oddities

Amberjack Hole

United States

Blue Hole 48 km off the coast of Sarasota, Florida

Map, evidence and context →TIDAL ISLAND · Expanded physical oddities

Wahoo Island

United States

tidal island located on the South Newport River in McIntosh County, Georgia, United States

Map, evidence and context →TIDAL ISLAND · Expanded physical oddities

Hooks Island

United States

uninhabited marsh island in Palo Alto Baylands where California clapper rails frolic

Map, evidence and context →TIDAL ISLAND · Expanded physical oddities

Charles Island

United States

island in New Haven County, Connecticut, United States

Map, evidence and context →TIDAL ISLAND · Expanded physical oddities

Bar Island

United States

tidal island across from Bar Harbor on Mount Desert Island, Maine, United States

Map, evidence and context →TIDAL ISLAND · Expanded physical oddities

Bumpkin Island

United States

island in Massachusetts, United States of America

Map, evidence and context →BUNKER · Expanded physical oddities

Mount Weather Emergency Operations Center

United States

civilian command facility for the Federal Emergency Management Agency

Map, evidence and context →BUNKER · Expanded physical oddities

Post-Attack Command and Control System Facility, Hadley

United States

decommissioned nuclear bunker in Massachusetts, now used as a library

Map, evidence and context →BUNKER · Expanded physical oddities

Project Greek Island

United States

United States government continuity program in West Virginia (decommissioned)

Map, evidence and context →BUNKER · Expanded physical oddities

Presidential Emergency Operations Center

United States

multilevel bunker-like structures underneath the East Wing and North Lawn of the White House

Map, evidence and context →QUARANTINE FACILITY · Expanded physical oddities

Columbia River Quarantine Station

United States

quarantine facility in Pacific County, Washington

Map, evidence and context →SEA FORT · Expanded physical oddities

Fort Heath

United States

US seacoast military installation for defense

Map, evidence and context →GEOGLYPH · Expanded physical oddities

Blythe Intaglios

United States

group of gigantic figures incised on the ground in the Colorado Desert, United States

Map, evidence and context →GEOGLYPH · Expanded physical oddities

Block U

United States

letter U on Mount Van Cott in Salt Lake City, Utah, United States

Map, evidence and context →GEOGLYPH · Expanded physical oddities

Platte Mound M

United States

public artwork of whitewashed stones in Wisconsin, United States

Map, evidence and context →GEOGLYPH · Expanded physical oddities

The Big "C"

United States

giant concrete block "C" in the Berkeley Hills of California, United States

Map, evidence and context →GEOGLYPH · Expanded physical oddities

Block Y

United States

letter Y on Y Mountain in Utah County, Utah, United States

Map, evidence and context →GEOGLYPH · Expanded physical oddities

Phoenix air marker

United States

geoglyph on Usery Mountain in Maricopa County, Arizona, United States, originally built for visual navigation by aviators

Map, evidence and context →ICE CAVE · Expanded physical oddities

Coudersport Ice Mine

United States

ice cave that only forms ice in summertime, Coudersport, Pennsylvania, USA

Map, evidence and context →ICE CAVE · Expanded physical oddities

Niter Ice Cave

United States

ice cave in Caribou County, Idaho, United States

Map, evidence and context →CATACOMB · Expanded physical oddities

Indianapolis Catacombs

United States

underground passages in Indianapolis, Indiana, U.S

Map, evidence and context →NUCLEAR TEST SITE · Expanded physical oddities

Nevada National Security Site

United States

United States Department of Energy reservation located in southeastern Nye County, Nevada

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Isola di Lolando

United States

artificial island in Miami Beach, Miami-Dade County, Florida, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Kafralu Island

United States

artificial island in Lake Erie in Erie County, Ohio, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Sand Island

United States

one of four islands in the Johnston Atoll group

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Singing River Island

United States

island in Jackson County, Mississippi, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Rip Raps Island

United States

shoal originally made of ballast stones dumped as sailing ships entered the harbor of Hampton, Virginia; now the site of Fort Wool

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Indian Key Fill

United States

artificial island in the Florida Keys, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Island Chaffee

United States

island in Los Angeles County, California, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Island Freeman

United States

island in Los Angeles County, California, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Island Grissom

United States

island in Los Angeles County, California, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Island White

United States

island in Los Angeles County, California, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Aramburu Island

United States

artificial island in Marin County, California, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Little Island @Pier55

United States

artificial island park in the Hudson River, in New York City

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Rincon Island

United States

island in Ventura County, California, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Strawberry Spit

United States

artificial island in Marin County, California, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Swinburne Island

United States

island in Staten Island, New York, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

U Thant Island

United States

islet on East River in Manhattan, New York, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Coast Guard Island

United States

artificial island in Alameda County, California, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Hoffman Island

United States

island in Staten Island, New York, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Lido Isle

United States

island and neighborhood in Newport Beach, Orange County, California, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Harbor Island

United States

island in Seattle, Washington, United States of America

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Cape Island

United States

man-made island in Cape May County, New Jersey, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Endicott Island

United States

artificial island in North Slope Borough, Alaska, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Harbor Island

United States

artificial island in Newport Beach, Orange County, California, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Longue Vue Island

United States

island in the St. Lawrence River in Jefferson County, New York, United States

Map, evidence and context →ARTIFICIAL ISLAND · Expanded physical oddities

Northstar Island

United States

artificial island in North Slope Borough, Alaska, United States

Map, evidence and context →GHOST STATION · Expanded physical oddities

18th Street

United States

New York City Subway station in Manhattan (closed 1948)

Map, evidence and context →GHOST STATION · Expanded physical oddities

City Hall

United States

former New York City IRT Lexington Avenue Line subway station

Map, evidence and context →SUBTERRANEAN RIVER · Expanded physical oddities

Ruby Falls

United States

underground waterfall within Lookout Mountain, Tennessee

Map, evidence and context →SUBTERRANEAN RIVER · Expanded physical oddities

Horse Brook

United States

buried stream in Queens, New York, United States

Map, evidence and context →SUBTERRANEAN RIVER · Expanded physical oddities

Rattlesnake Creek

United States

subterranean river in the Bronx, New York, United States

Map, evidence and context →SUBTERRANEAN RIVER · Expanded physical oddities

Sunswick Creek

United States

buried stream in Queens, New York, United States

Map, evidence and context →SUBTERRANEAN RIVER · Expanded physical oddities

High Falls Creek Culvert

United States

culvert under the Delaware Canal in Bridgeton Township, Pennsylvania

Map, evidence and context →CLIFF DWELLING · Expanded physical oddities

Gila Cliff Dwellings National Monument

United States

national monument in Catron County, New Mexico, United States

Map, evidence and context →CLIFF DWELLING · Expanded physical oddities

Manitou Cliff Dwellings

United States

archaeological museum in Manitou Springs, Colorado

Map, evidence and context →CLIFF DWELLING · Expanded physical oddities

Long House

United States

cliff dwelling in Mesa Verde National Park, Colorado, United States

Map, evidence and context →