The only international border marker within the United States.

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

A 131-year-old wunderkammer of Texas history.

A registered historic landmark shrouded in unsettling local legends.

These boots are made for selfies.

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

Turning night into day in Victorian-era Austin to thwart a serial killer.

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

Ruins of a once-opulent grand Victorian resort.

A health museum containing a 27’’½-foot intestine.

A medieval castle in the middle of rural Texas.

The world's largest squirrel statue clutches a pecan bigger than your head.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

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

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

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

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

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

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

Fantastic collection celebrating the final send-off.

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

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.