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

Dramatic river bend surrounds a natural red-rocked pedestal.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

Temporary Burning Man sculpture made of two 18-wheelers.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

Resting place of Hollywood's immortals is also site of summer film screenings.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

America's most famous piece of self-built architecture.

France's most famous cemetery, with some of its most curious tombs.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Stairs often replace streets on the steep slopes of this old mining town.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Limestone caves with spectacular showcase chambers.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

A reproduction of earth's many biomes.