Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

The mysterious round rocks of Schooner Gulch.

A watering hole where the options for seating include a bar, patio, or subterranean cave.

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

A fascinating collection of art made from petrified wood and fossils by two octogenarian twin brothers.

Community bookshelf of 25-foot-tall book spines.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

A self-built castle made by a mysterious man.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

Once a year, at exactly 11:11 a.m., this monument comes to life.

Outsider Art Community.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.