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

A beautiful Gilded Age hotel in the White Mountains with surprising diplomatic history.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

A historic coal mine that doubles as a museum and tourist attraction.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The scene of the largest surrender of Confederate troops at the end of the American Civil War.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

A Nessie-like monster supposedly lurks in this lake.

One of the few surviving original NASCAR dirt-track speedways.

Step back in time on this preserved 1800s farm.

An abandoned town is hidden in Great Smoky Mountains National Park.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

This 5-by-6-foot wooden hut is the smallest historic post office in the U.S.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

10,000 flowered plants bloom in the City of Roses.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.