A cave dug by a man directed by ghosts to find pirate treasure.

This quiet park's strange sedimentary spires were named after Kodak's color film.

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

These markers are used to determine the ground stability of the Strip.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

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

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

A homage to the King at the hotel where he revived his career.

The best Tiki bar in Las Vegas.

A collection of haunted objects and macabre oddities under one roof.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

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.

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

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

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

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

The largest island on the great salt lake is home to curious creatures and strange stories.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."