About Philadelphia Insectarium and Butterfly Pavilion: Located on Frankford Avenue in Philadelphia, PA, Philadelphia Insectarium and Butterfly Pavilion is home to hundreds of exotic and rare insects, arthropods, and butterflies that can be found around the world. For over 25 years, this museum has been a place for children and adults to learn about insects, which is the world’s most successful group of animals. Along with an Insectarium, they are now home to one of North America’s largest butterfly pavilions. For more information, visit http://www.phillybutterflypavilion.com/.