The king of U.S. high points towers over every other peak on the continent.

There is only one place in the world where the corners of four nations come together.

This trio of bronze giants celebrate the influential trip to Britain that led to Botswana's independence.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Three-story slide through the New Museum.

Minimalist modern art on a repurposed military base in rural Texas.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The world's tallest statue of an American hero.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

A starship has landed in Texas, a welcome break for weary travelers from a drab stretch of I-35.

Established in 1925, Kiddie Park claims to be the oldest amusement park in the U.S. - a cozy little time warp nestled in a shady corner of the modern world.

A grove of colossal man-made flowers built to collect the sun's rays.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A museum dedicated to the alleged Roswell Incident.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

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

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

One part antique store, one part curiosities hodge-podge.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The ghostly remains of an accidental sea.

Elevated freight railway turned wildly successful urban park.