An ode to "The Queen of Appalachia."

Exact replica of the ancient monument, but much, much lighter.

Amphibious mascots display a quirkier side to this luxury hotel's rich history.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.

Outsider art meets paleontology at this roadside reptile repository.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

One of the last active volcanoes on the Eastern seaboard.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

A bit of retro transportation flair preserved in the world's largest department store.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

An alternate history park where the Union Army loses the war... to dinosaurs.

The world's longest known cave system.

A local scoured more than 1,000 acres for stone to create his masterpiece.

One of the few surviving "Wigwam"-themed motels.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Every year, the colorful murals of Montreal get a complete makeover.

Its columns were all carved from the same white oak tree.