The Butterfly House & Aquarium features include: Aquarium Gallery: A home to thousands of species, coral reefs are one of the most biodiverse environments on the planet. They also serve as fish nurseries, providing protection, food and shelter for young scaly swimmers. The Aquarium Gallery at the Butterfly House & Aquarium displays hundreds of different species of fishes and corals in over 10,000 gallons of aquariums. From coral reefs and anemones, to seahorses and tangs, our saltwater exhibits are home to marine life from the Indo-Pacific region to the Caribbean. Butterfly House: Step into the jungle, where lush vegetation surrounds you and it's always a balmy 80 degrees. Over 800 butterflies from every corner of the globe welcome you to their 3,600 square foot home in the Dakota's largest insectarium. Enjoy the serenity and awe-inspiring beauty that is the Butterfly House on your local tropical getaway. Discovery Den: A fun atmosphere designed for exploration and learning is what you'll find at the Discovery Den, where parents and children examine nature's wonders through interactive exhibits, activities and educational displays.