Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

A hotel and restaurant serving as the mecca of kitsch.

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

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

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

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The ghostly remains of an accidental sea.

A strange house built only at night, with rumored mystic inspiration.

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

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A huge musical instrument played by the ocean.

Masterful ceramic fountain and map of the Pacific Basin.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

Gold Rush-era tombstones line the park's paths.

This turn of the century masterpiece has a mysterious goaty interloper.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

A monument to the love people have for their pets.

Visible below the waves are memorials to the city's Gold Rush dead.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

The restored and active Victorian-era final resting place of San Francisco.

The remains of a 12th-century chapter house in Golden Gate Park.

The remains of a ruined mansion memorialize the 1906 earthquake.

A heavenly experience, right here on Terra Firma.