The largest land animal skull ever discovered.

Once the smallest park in the national system.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Is this 47.7-mile stretch of highway the longest straight road in the United States?

The highest point in Texas is capped by a big silver pyramid.

This old abandoned sign flickers to announce a motel that isn't even there.

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

A spring-fed pool so deep it's used for scuba diving as well as swimming.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

Mysterious glowing orbs float through the desert night.

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

An abandoned mine where dreams of quicksilver trickled away over 75 years ago.

These boots are made for selfies.

A tiny waterway named after a ghost story.

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

Soldiers honored the beloved Pat with a special grave.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

Two small markers remember the Alamo's feline protectors.

A 131-year-old wunderkammer of Texas history.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

This big empty pig is a nostalgic throwback to mid-20th-century Texas barbecue.

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