These nine North American areas are filled with mineral hot springs that are great for aches, pains and the cold late-winter ...

The site features a series of steaming, turquoise pools carved into the mountainside, allowing visitors to soak in the mineral-rich waters while enjoying breathtaking canyon views. A highlight is the ...

Photo from Wibowo, Willyanto, Dharmayanthi, Rahmadi and Lumbantobing (2025) After lowering themselves into a “vertical cave” in Indonesia, a team of cavers paused at a shallow pool.