Nyuto Onsenkyo in Japan
Get ready to see some of the hottest destinations around the world — and we don't mean the weather. Though Budapest is the only remaining capital city in the world with healing thermal waters (check out the stunning Gellért Baths), there are plenty of global hot spots that offer amazing soaking opportunities. Ranging from totally undisturbed and natural to more luxurious retreats, the hot springs ahead contain therapeutic waters sourced from nature itself (except for the Blue Lagoon). See 10 amazing destinations ahead!