A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

For decades, it has disappeared and reappeared as water levels rise and fall.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

Two massive boulders, rocking back and forth with the ebbing of the sea.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

The ruins of an old mill lie in a small ravine along a hiking trail near Little Seneca Creek.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

The press that first printed the Book of Mormon.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

One of the oldest standing structures in Montgomery County, Maryland.

A replica of the first public theater built in California.

Art Deco stylings conceal the true nature of this bridge.

An abandoned stretch of highway, deteriorating next to the operational one.

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

There aren't too many operational funiculars around, but Pittsburgh has two!

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.