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

Two small markers remember the Alamo's feline protectors.

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

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

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

Once called the Jersey Lilly, this former saloon was the domain of infamous Judge Roy Bean.

On a dusty county road sit the ruins of a ghost town's abandoned church.

Beauty and history abound in this remote West Texas canyon.

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

This grimly-titled Texas cemetery is all that remains of a Wild West settlement with possibly the worst name.

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

Inmates dig the graves at the largest prison cemetery in the U.S., the final resting place of both cowboys and Indians.

The world's tallest statue of an American hero.

The only international border marker within the United States.

Foragers once flocked to this big beautiful bayou to hunt for pearls.

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

This one-woman cemetery was a small civil rights victory.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

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

This Texas windmill field celebrates the power and majesty of the very winds that blow.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.