This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

A natural formation that resembles a camel resting in the New Mexico desert.

The highway's southernmost spot is a beloved local attraction.

A monument celebrating the idea of reaching inaccessible places.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Famously misunderstood wonder of the ancient world

One of corporate America's best-kept secrets is also one of the most publicly displayed.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

A wall of chewing gum moonlights as collective art.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

The world's largest Holstein cow.

This kitsch eatery is chock-a-block with bric-a-brac.

Just below the surface, shrimp are producing temperatures hotter than the sun.

A museum chronicling pioneer life constructed over Interstate 80.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

The first declared National Monument in the United States.

The location where the iconic movie character declared it was time to go home.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.