A collection of vehicles across American military history.

Jamestown may have been the first permanent English settlement in the Americas, but the colonists made landfall at a lesser known cape.

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

This small, 19th-century structure is all the remains of a once lively travelers' inn that General Robert E. Lee frequented.

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

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

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

The entire history of the U.S. Space Shuttle Program is painted on an enormous roadside water tank.

A 17-foot-tall cutout of the Texas-born actor stands alongside the highway.

Amtrak's least-used stop in the entire country sits in a tiny West Texas town.

This gravity-defying rock formation is one of Big Bend’s natural wonders.

A unique cartoon-filled roadside attraction.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The romance of early commercial flight still fills this Art Deco destination.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The last early 20th-century schoolhouse in Fairfax County has galvanized the community and engendered a spirit of service among residents.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

Abandoned Air Force base that has fallen into disrepair.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

America's largest man-made forest was planted in an effort to bring back the past.

Otherworldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

Site of the 1879 Cheyenne Outbreak and the site where famed Sioux chief Crazy Horse met his fate.

An experimental, automotive replica of Stonehenge.

This erect, phallic geological spire wasn't always named so domestically.