An off-grid art installation that encourages its visitors to imagine a world without waste.

World's largest collection devoted to one fruit.

Huge otherworldly domed rocks on the shore of a deadly lake.

Version of the French Riviera destroyed by the sea.

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

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

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

Turning night into day in Victorian-era Austin to thwart a serial killer.

Continuing the tradition of the dime museum in style.

One part antique store, one part curiosities hodge-podge.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

A small island hides in plain sight on Austin's Lady Bird Lake.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A high-octane shrine to the greatest Texans who ever lived.

The abandoned personal amusement park of the King of Pop.

This enormous World War II relic is one of the largest wooden structures in the world.

This historic graveyard was partially paved over to create a streetcar line.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

An ode to the friendship between four Pacific Rim countries.

The oldest standing structure in downtown San Diego.

A monument to a one-legged kidnapper, horse thief, and charlatan asks visitors to throw rocks in a pile.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.