Step into the mysterious world of the ancient Maya with a full-day adventure to Actun Tunichil Muknal, the legendary ATM Cave in the Tapir Mountain Nature Reserve. After a scenic drive and a jungle hike with river crossings, you’ll swim and wade into a cave filled with breathtaking limestone formations. Inside, your licensed guide will reveal sacred chambers where rituals took place nearly 2,000 years ago. Discover intact artifacts, ceremonial tools, and the famous “Crystal Maiden,” a glittering