The remains of the oldest bone-headed dinosaur in North America.

A pair of 19th-century granite markers symbolically record where the state boundaries of New York, New Jersey, and Pennsylvania intersect.

This now-abandoned part of the original transcontinental railroad route provides a surreal driving and historical experience.

Dozens of rockets and missiles are on display outside a testing facility in the Utah desert.

In 1952, this restaurant began selling the Colonel's “secret” recipe.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

A scenic hike in the High Sierra that ends at an old gold mine.

Little is left of this formerly bustling railroad junction on the Transcontinental Railroad.

This isolated community does not want you to visit.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

A nearly 100-year-old dining car in upstate New York embodies the golden age of roadside dining.

Dedicated in 1895, this is the world's first tribute to the hardworking newspaper delivery boy.

A gorilla holding a VW Beetle isn't what you'd expect in rural Vermont.

This seemingly cursed monument is dedicated to one of Canada's great war heroes.

On the side of Highway 50 East, between Carson City and Dayton, Nevada, sits a giant metal spider made from a vintage Volkswagen Beetle.

Irontown was founded in 1868, as a second attempt to mine iron from the nearby Iron Mountain.

Much of the spectacular canyon followed over a century ago by the Los Angeles & Salt Lake railroad is now accessible to cars.

The self-proclaimed gateway to the Extraterrestrial Highway.

Mysterious meeting place for UFO hunters near Area 51.

An eatery for UFO seekers on the Extraterrestrial Highway.

Red rock "fangs" jut out of the desert near the Extraterrestrial Highway.

The precious-metals strikes dating back to the 1860s are now mostly inactive, but this area has become the United States' only domestic source of lithium.

The largest living museum in the Northeast recreates life from the Early Republic period complete with costumed historians and reenactors.

A late-19th century diversion canal built by hand crosses Bryce Canyon National Park and is still in use.