The watery grave of an impractical idea.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

A tiny waterway named after a ghost story.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

The world's largest military aircraft cemetery.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

The fading, forgotten remains of a once bright and booming factory.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

Visitors to this public park will also find the ruins of an old western fort.

Miniature art that tells an enormous story.

A geological mystery on Camelback Mountain.

A Prada store in the West Texas desert that is never open for business.

The house's confection-like decorations are the result of one man's painstaking work over decades.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

This now-deactivated naval base defended the Florida coast for centuries.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

This enormous sports car themed amusement park is home to the world’s fastest roller coaster.

Whitewashed mosque contains the world's largest carpet.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

Qatar's oldest market can trace its origins back more than a century.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.