CLICK ON THE TITLES FOR MORE INFO! Denver Zoo Denver Zoo, home to more than 3,500 animals representing 350 species, is a non-profit organization that also runs five field conservation programs around the world. The Toyota Elephant Passage is the largest bull elephant habitat in North America and The Edge allows visitors to get closer than ever before to Amur tigers. Downtown Aquarium Visit fish, mammals and plants, including sharks, stingrays and swimming Sumatran tigers. Pet a 250-pound grouper and marvel at the moray eels. Wild Animal Sanctuary Located 30 miles northeast of Denver, this carnivore sanctuary is now home to hundreds of rescued lions, bears, leopards, wolves and more, including several tigers featured in Netflix’s "Tiger King". Rocky Mountain Arsenal National Wildlife Refuge This once toxic piece of land has been reclaimed as a home to hundreds of species of wildlife, including bald eagles, deer, burrowing owls and a herd of plains buffalo. Butterfly Pavilion This tropical indoor jungle has waterfalls, palm trees, thousands of free-flying butterflies and other invertebrates, including tarantulas and undersea creatures. blue Mustang The fierce, red-eyed "Mustang" sculpture by artist Luis Jiménez greets travelers coming and going from Denver International Airport. Blue Bear No roundup of Denver’s wildlife would be complete without the city’s famous Blue Bear. Give this 40-foot-tall art installation, officially named “I See What You Mean”, a hug at the Colorado Convention Center..