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

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

Ancient pueblos built into the base of a natural canyon wall.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

See massive fossils that are over 200 million years old in northeastern Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

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

This historic national park is covered in the stunning ruins of red rock pueblos.

So many migrating birds roost on the bridge, it has a special summer speed limit.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

Step back in time on this preserved 1800s farm.

From failed port town to Civil War fort, the ruins of this former defense saw their finest day in the television age.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

This research center for rare prosimians is studying how they sleep to help prolong human life.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.