Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

The video game-themed street art first popped up in the French city.

The highest bridge in America was built for an almost unnervingly small amount of money.

This vintage animatronics show is the Vegas version of a walk through the woods.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

Each step is a mere 4 inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

The largest source of fossilized insects anywhere.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Travel through the wholesome amusements of yesteryear at this charming miniature village.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Victorian "Fancy Craft" Hair Wreaths and Relics.

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.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

Less a museum than a bizarre fantasy world created by artists and engineers.

Memorializing an American tragedy of massive proportions.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

A downtown park built on top of unclaimed graves.