In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

This bridge is so steep it looks like a rollercoaster.

This geothermal hot spring hides beneath a slowly growing mineral dome.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

One of the last free public hot springs is decorated with hippie art.

A little-known hot spring haven right below the highway.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

The development of this cliffside waterpark is representative of Mexico's history of co-op tourism developments.

A small thermal park among the mountains of Southern Italy features a surprising piece of modern art.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

A hotel with a rich Wild West history of miners and bootleggers.

This spectacular track has run continuously since 1882.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

Colorado's only true geyser is hidden within the San Juan National Forest.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This naturally-sourced hot spring is now home to a clothing-optional resort.

The highest bridge in America was built for an almost unnervingly small amount of money.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.