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

A school-themed restaurant where gastronomy is the core curriculum.

A medieval castle in the middle of rural Texas.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

A view-altering observatory at the University of Texas.

This downtown Dallas art installation is always on the lookout.

An oddities shop packed with twisted treasures inspired by Oscar Wilde and Edgar Allan Poe.

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

A grove of colossal man-made flowers built to collect the sun's rays.

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

The Grand Canyon of Texas.

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

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A modernist landscape of water and sci-fi concrete.

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

The scene of the largest surrender of Confederate troops at the end of the American Civil War.

A historic dam made famous for its turbines and feature in a Hollywood classic.

This 5-by-6-foot wooden hut is the smallest historic post office in the U.S.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

The first statue of Christ sleeping on a bench in the United States confused its affluent parish.

The antique barns in Cameron are not painted with your grandfather's Mail Pouch Tobacco murals.

This scented city oasis was a labor of love.

A mailbox that saved a nature reserve.

One of the best places to see feral Colonial Spanish Mustangs in the United States.