For more information about Mammoth Hot Springs, check out the National Park Service's website. Yellowstone”Open Air” Glass Top Convertible Van West Yellowstone (11 reviews) ...

TANABE, Wakayama Prefecture--A seasonal open-air hot spring bath alongside a river opened recently, giving visitors the opportunity to relax in what looks like a swimming pool at the Kawayu Onsen ...

The healing power of heat has been felt ever since the Romans built settlements around hot springs 2,000 years ... a dip in the icy plunge pool or the open-air cold baths. You won’t be cold ...

It can be hard to find a good, authentic, rustic onsen hot spring complex that isn’t geared towards tourists in Tokyo, so ...