cwatson's User Profile - Atlas Obscura
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Fremont, California

Berkeley Mystery Walls

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.
Peebles, Ohio

The Great Serpent Mound

The largest earthwork effigy in the world.
Lovell, Wyoming

Bighorn Medicine Wheel

Native Americans built this circle of stones, which was used to predict astronomical events.
Cullowhee, North Carolina

Judaculla Rock

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.
Salem, New Hampshire

Mystery Hill: America's Stonehenge

America's oldest archaeological site or a muddled case of wishful thinking.
Boyds, Maryland

Winderbourne Mansion

This abandoned Victorian-style house was built in 1884.
Henshaw, England

Sycamore Gap

Also known as "Robin Hood's tree," this tree became a famed location along Hadrian's Wall before it was cut down in an act of vandalism.
New Orleans, Louisiana

Antoine’s Restaurant

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.
Washington, D.C.

C&O Boat Elevator Ruins

This forgotten boat elevator was an engineering marvel in its heyday.
Washington, D.C.

Temperance Fountain

A much-maligned monument to teetotalism.
Washington, D.C.

Georgetown's Haunted Halcyon House

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.
Washington, D.C.

United Brick Corporation Ruins

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.
Washington, D.C.

Old Stone House

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.
Washington, D.C.

The Mary Surratt Boarding House

The house where John Wilkes Booth conspired with his co-conspirators.
Washington, D.C.

National Archives Vault

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.
Washington, D.C.

Holt House

There's a crumbling old mansion inside the Smithsonian National Zoo.
Washington, D.C.

Basilica of the National Shrine of the Immaculate Conception

Largest Roman Catholic church in North America.
Washington, D.C.

Frederick Douglass's House, Cedar Hill

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.
Washington, D.C.

Theodore Roosevelt Island

The national park was once a plantation estate.
Washington, D.C.

Fort DeRussy

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.
Washington, D.C.

Peacock Room

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.
Washington, D.C.

Tudor Place

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.
Washington, D.C.

National Building Museum

Fittingly, America's museum of architecture is itself a magnificently designed old building.
Washington, D.C.

Summerhouse

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.