A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

A Jenga-style cylindrical tower of books that appears to go on forever.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Four-story concrete hotel never opened to customers.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

This vintage animatronics show is the Vegas version of a walk through the woods.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

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

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

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

An exotic wildlife habitat right off The Strip.

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