Even if you’ve never heard of Alnwick Castle, chances are you’ve *seen* it. Maybe it was while watching Harry Potter and the Philosopher’s Stone, as first-year wizards learned to fly broomsticks on the lawn. Or perhaps in *Downton Abbey*, *Transformers: The Last Knight*, or even *Robin Hood: Prince of Thieves*. This castle is no stranger to the camera — and once you see it in person, you’ll understand why.

Forget fancy spas and imported eucalyptus oils. In Mexico, purification begins with volcanic rocks, ancient chants, and a clay dome that feels like stepping into the earth’s womb. This is **Temazcal**, one of the oldest rituals still practiced in the country—a pre-Hispanic sweat lodge ceremony that is part steam bath, part spiritual journey, and part cultural time machine.