This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

This giant steer-skull edifice refuses to die.

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

Decaying military base deactivated in the 70s is now visited by urban explorers and military enthusiasts.

Now abandoned, this East Austin school for the disabled began as the "State Colony for the Feeble-minded."

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

An abandoned movie set in the desert of West Texas.

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

A reproduction of earth's many biomes.

A modernist landscape of water and sci-fi concrete.

Scale replica of China's ancient terracotta tomb warriors and Forbidden City are the side project of an eccentric millionaire.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

A wild Hollywood resort thwarted by mosquitoes.

This church, buried halfway in lava rock, is all that remains of a Mexican village destroyed by a volcano.

A notoriously corrupt Chief of Police's deteriorating Greek-themed playhouse.

Extraordinary sculpture garden created by an eccentric English poet.

Two waterfalls flow down the cliff faces decorated with rare natural basalt columns.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

An indigenous take on European design creates a stunning visual overload.

This fantastical house shaped like a seashell brings aquatic design to architecture.

A jewel of the Mexico city skyline now slowly crumbles after surviving an earthquake.

The secret city built by the Manhattan Project.

One person's lost luggage is another person's treasure.

One of the few surviving "Wigwam"-themed motels.