Glen Canyon National Recreation Area, located in Arizona & Utah, encompasses Lake Powell, the second largest man-made lake in North America.
Mesa Verde National Park was established in southwestern Colorado to protect over 4,800 Ancestral Puebloan archeological sites.
Yucca House National Monument was established to preserve an Ancestral Puebloan archeological site in southwestern Colorado.
Rainbow Bridge National Monument, located on Lake Powell in southern Utah, protects the world's largest natural bridge.
Last updated: April 25, 2018