The scant remains of an expansive indigenous civilization can be seen at this Arkansas state park.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The only diamond mine in the world where you can keep what you find.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

William Faulkner kept his beloved estate wild and untamed.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The highest tropical mountain range in the world is in Central Peru, home to a vast array of exotic and quirky plants and animals.

This hidden art nouveau gem was designed by an architect in search of a national style.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

These Japanese ruins have been brought back to life with elaborately recreated buildings.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

This Italianate house was the childhood home of the prominent Canadian painter, Emily Carr.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Booker T. Washington's home at the Tuskegee Institute was a gem of splendor.

A magical place that lets you play in and explore the world of Studio Ghibli.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.