This downtown Dallas art installation is always on the lookout.

A medieval castle in the middle of rural Texas.

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

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

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

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

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

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.

Free public park and gardens filled with peacocks and peahens.

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

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

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

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

Mysterious glowing orbs float through the desert night.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

A multi-storied adobe complex has been inhabited for more than a thousand years.

Legends surround this jagged rock formation in the New Mexico desert.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

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.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Continuing the tradition of the dime museum in style.