This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

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

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

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

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

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

Continuing the tradition of the dime museum in style.

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

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

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

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

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

Remembering the Alamo with a full-scale replica of the 1836 city.

The summer home of the largest colony of bats in the world.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

Inside this mountain lies several kilometers of breathtaking caves.

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