Gunnuhver Hot Springs in Iceland is a must-visit spot for those seeking a unique and thrilling experience. Located on the Reykjanes Peninsula, this geothermal area boasts Iceland's largest mud pool, steam vents, and boiling water that will leave you in awe. But there's more to it than just natural beauty - Gunnuhver has a spooky backstory involving a witch named Gunna who met a tragic end in the hot spring. So, if you're up for some adventure and a bit of history, make sure to add Gunnuhver to your Iceland itinerary!