Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

A grove of colossal man-made flowers built to collect the sun's rays.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

Free public park and gardens filled with peacocks and peahens.

Mysterious glowing orbs float through the desert night.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

Fantastic collection celebrating the final send-off.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

A Texas-sized particle collider that was abandoned due to its Texas-sized budget.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

DIY collection of eclectic holdings.

This failed condo development was reborn as a street art hub.

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

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

A popular swimming hole that hides one of America's most deadly diving spots.

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.

An emerald-green grotto just a short trip from Austin.

Continuing the tradition of the dime museum in style.

A modernist landscape of water and sci-fi concrete.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.