World's largest precision optical instrument used to detect Einstein's elusive gravity waves.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

Religion and personal struggle gave birth to this collection of concrete angels.

The highest point in Louisiana, Driskill Mountain at 535 feet above sea level.

Roadside attraction with more than 1,000 stuffed and mounted animal skins displayed in simulated natural habitats with hand-painted backdrops.

The crumbling ruins of this southern American fort have survived storms, war, and cults.

Every year, a Louisiana town remembers a brief Civil War truce inspired by Masonic brotherhood.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

The ill-fated plan to reroute the Mississippi so that Union ships could bypass Confederate fortifications on the river bend.

A 19th-century utopian religious society designed to align with the latitude of Jerusalem.

The first plantation museum in the United States to focus on the lives of enslaved people.

This ancient settlement contains some of the largest earthen mounds in North America.

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

A ghost town revived by hippies and wanderers throws its own special brand of holiday parade.

One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.

Home of the International Space Hall of Fame.

The world's first commercial spaceport is a disappointment of cosmic proportions.

A sprawling collection of over 106,000 toys from around the world.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

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