At the Nohoch Che'en Caves Branch Archaeological Reserve, 1 hour car from the cruise port. With a bit of spelunking, intriguing cave pipes, mind-blowing zip lines through the rainforest canopy and lots of adrenaline, this cave pipe and boundless zipline hike has emotions for everyone. After a short walk through the imposing Cohune Palms, you will soon find yourself standing on the edge of a limestone cliff that serves as a springboard for your adventure.