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

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

Spectacular 300-foot cliffs in a lush mountain canyon.

The oldest continuously occupied public building in the United States.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

This is not Madame Tussaud’s wax museum.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

This sparsely populated town offers a look back in time.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Catch two 18-foot-tall ranchers mid-brawl as you drive by on Highway 285.

A museum dedicated to the alleged Roswell Incident.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

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

A dam that moonlights as a gigantic, brutalist waterslide.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

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

The pit stop from "The Texas Chainsaw Massacre" now serves beef and pork barbecue, not people.

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

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

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.