Coca Cola may be "the real thing" but its inventor, buried at this Georgia gravesite, called it a "valuable brain tonic."

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

Beneath the surface, something slithers. And if you find it, prepare to be slimed and glowing.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

This downtown Dallas art installation is always on the lookout.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

The largest drain hole in the world.

This corn maze so big you may want to pack a lunch, and possibly a flaregun.

A monumental cross hides in the trees in Golden Gate Park.

The California capital city once stood 10 feet lower than it does today.

This iconic water tower and failed bandstand is open for panoramic views once a year.

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

World's largest carved onyx figure stands as a tribute to enduring peace.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

The home of the first American-born saint is one of the only curved buildings in New York.

Go take a picture with the inventor of the daguerreotype photographic process.

A whimsical, but often overlooked clock in Park Avenue.

Fake rail crossings mark the site of an influential doctor's demise.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

The Binghamton area is home to six of the last remaining hand-carved vintage carousels.

This wondrous waterfall rushing down a green-covered mountain wasn't discovered until 2010.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.