At the "Garage Mahal" in Houston, car culture is about more than just driving.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

A medieval castle in the middle of rural Texas.

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

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

Free public park and gardens filled with peacocks and peahens.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

A Prada store in the West Texas desert that is never open for business.

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

Mysterious glowing orbs float through the desert night.

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.

A modernist landscape of water and sci-fi concrete.

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

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Make your reservation to have coffee with some kitties.

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

A giant Troll lurks under one of Seattle's oldest bridges.