A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A spiritual vortex among the red rocks in Sedona.

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

This black shoreline is made up of exploded lava particles.

The world’s first penitentiary, meant to be humane, drove men insane.

One of the oldest living oak trees in the Southeast.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

The second oldest continuously operating bar in Louisiana.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

A modest Alabama recording studio where some of music’s biggest voices found their sound.

Underneath this water pump, Annie Sullivan helped Keller speak her first words.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Famous for its bio-luminescent inhabitants, known as "dismalites."

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.