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

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We built a platinum-style underground cave swimming pool with a beautifully decorated private underground living room! Using expert craftsmanship and creative design, we carefully excavated ...

When exploring these caves, it is required to exercise a bit of caution since there is a chance of falling onto a sharp dripstone and taking damage. If you’re a fan of lava pools, dramatic rock ...

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.

After lowering themselves into a “vertical cave” in Indonesia, a team of cavers paused at a shallow pool. Floating inside was an odd-looking creature with skin where its eyes should be.