The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

Abandoned Air Force base that has fallen into disrepair.

California's own majestic geyser is powered by a subterranean volcano.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

Unrepaired walls from a 1920 anarchist bomb attack.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

Healing Springs that once ran red with soldiers' blood.

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

There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...

Home on the Hillside, and home of the first breakfast cereal.

A long-vacant Scottish Rite temple in Hollywood has been converted into an art museum filled with Masonic relics.

Death comes to anyone who dares to touch this concrete column.

A failed piece of Orientalism has become the proud symbol of a community.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

A display of magnificent stained glass windows is the first exhibit of its kind.

A glittering South Asian anomaly in a wealthy Los Angeles suburb.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

One of the now-less-hidden floral gems of the "Emerald Necklace."

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

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

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.