A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

A snapshot of the city's fascinating voodoo culture.

This Mississippi seminary was the first in America to train Black Catholic priests.

A 1980s tour bus that traveled millions of miles to facilitate a superlatively rigorous performing career.

A dramatically eroding canyon thousands of miles from the desert.

A Muppet museum in small-town Mississippi honors the roots of Jim Henson's most beloved creation.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.

This arid landscape was once a lush wetland. Today, it's a paleontological site filled with fossilized mammoths, sabertooth cats, and more.

Located in the remote Monitor Valley, this travertine bowl contains a scalding pool of water.

This sign designates the road that leads to the infamous Area 51.

A hidden slot canyon in the southern Nevada desert makes an unexpected oasis and scenic hike.

An errant donkey ushered in a new era of mining in Nevada.

This dry lake bed contains the oldest known petroglyphs in North America.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.

A breathtaking 19th-century trail overlooks Lake Tahoe.

A hidden gem of a saloon in the middle of a ghost town.

Temporary Burning Man sculpture made of two 18-wheelers.

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

There's nothing creepier than a cemetery next to a clown motel.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.