📜 Slot canyon carved out of the bed of an ancient lake in Wisconsin Dells. Almost otherworldly sandstone cliffs. # Why Go 🏞️ Awe-inspiring natural beauty 🌊 Beautiful mossy sites and narrow passageways 🚶 Short, easy hike # Why Avoid ⚠️ Only accessible via Upper Dells Boat Tours # Tips 🧥 Bring a sweatshirt or light jacket, temperature is cooler like a cave.