Eons ago, a rushing lava river formed this pristine passage through solid rock.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

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

This giant temperature attraction created some giant electric bills.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

A unique set of caves that spits waves back out into the ocean.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

A stealthy Apache hideaway that became the haunting site of a mass grave.