A secluded natural oasis hidden deep along a rainforest trail.

Rustic natural hot springs in the deciduous rain forest.

Hot springs monkey spa in the middle of Hell's Valley.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

These mountain hot springs have seen power struggles, doomed romances, and a generalissimo's attempted escape from mutiny.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

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

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

Europe’s most powerful hot spring supplies the surrounding region with hot water.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

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

Community owned and operated, this property is home to a diverse set of nudists.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

One of the last active volcanoes on the Eastern seaboard.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

Randy Senna's Fascination and retro arcade is home to the last Fascination game in New Jersey, and one of seven remaining as of 2021.

Come for the Italian food, stay for the taxidermy and giant statues.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

Destructive children, start your engines.

Want to build a wind turbine? Secede from the nation.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.