This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Historic funicular railway, believed to be the shortest railroad in the world.

The legendary building that needed ghostly approval before being built.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

This impressive tunnel was dug entirely by hand over the course of 36 years.

An eatery for UFO seekers on the Extraterrestrial Highway.

One of the most unusual geological features, recognizable from a dozen hit movies.

Odd outsider art installations surround a Gold Rush-era ghost town.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

This giant temperature attraction created some giant electric bills.

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

A museum dedicated to the history and exploration of both popular music and science fiction.

A walk through the historic city center, under the streets of Seattle.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.