An unusual bed & breakfast made of papercrete.

A tribute to the little-known group of women who were the first ever to fly aircraft in the U.S. military.

The 19th-century ruins hide deep in an overgrown forest.

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

Some islands... they come, they go, especially on Lake Travis.

Human remains in varying states of decay are strewn about this Texas State facility for scientific study.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

Belly up to the bar in Cowtown, don't forget to buy some boots.

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

An unrealized Taoist palace left abandoned in a Houston suburb.

A park filled with vibrant mosaics created by more than 300 folk artists.

This beautiful grotto is one of those places where you can't believe you're just outside Austin.

Crumbling hotel echoes with the sounds of the '30s.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

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

Ruins of a once-opulent grand Victorian resort.

This eclectic, mosaic-clad home includes a bamboo ping-pong loft and a "Whispermaphones" intercom.

A medieval castle in the middle of rural Texas.

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.

A popular swimming hole that hides one of America's most deadly diving spots.

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