This mountaintop refuge rehabilitates tigers, lions, bears, and more from illicit wildlife trade—and offers overnight lodging.

The only diamond mine in the world where you can keep what you find.

Crystal hunters can dig for their own stones at this DIY mine in Arkansas’ quartz belt.

Everything in this miniature world was handmade from matches, paperclips, wires, tin cans, and other everyday objects.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

Two gushing waterfalls of hot spring water within a block of each other.

A beautiful botanical garden in the heart of the Natural State.

Yup, that's where the name came from.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Three hundred years of preserved Spanish colonial history in San Antonio.

The historic tall ship is one of just three of its kind still sailing open waters today.

The deadly but beautiful ornamental oleander was planted all over the island of Galveston after the hurricane of 1900.

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

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

World's smallest skyscraper, the product of a remarkable con.

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

Volunteers spent years restoring a vintage steam locomotive to operating condition.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

The first Protestant church in Arizona and only Gothic Revival style adobe church in the world.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

Legend says train robbers stashed their gold within the depths of this unusual cave.

Limestone caves with spectacular showcase chambers.

Commercial aircraft storage facility, where you can see a TWA 747.