When people hear “Dijon,” most immediately think of that golden, spicy condiment that graces sandwiches around the world. And yes, this city in the heart of France is indeed the birthplace of Dijon mustard—but Dijon is far more than just a spread.

Imagine warm turquoise water flowing out from a cave carved into the cliffs, surrounded by clouds of mist and the echo of birdsong. Now add hanging vines, jungle-like mountains, and just enough magic in the air to make you believe the stories locals still whisper—that fairies live here, just out of sight. Welcome to Grutas de Tolantongo, one of Mexico’s most surreal natural wonders.