Rifle Falls State Park is the closest you'll get to the tropics in Colorado. The falls is a lush area of trees and greenery kept moist by the spray of the cascading triple waterfall. The park's lush vegetation and waterfalls have attracted photographers and movie crews from around the country who take advantage of the area's unique scenery. Mysterious limestone caves beneath the falls entice spelunkers and other curious visitors to explore their dark depths. Simply breathtaking.