Wyoming, recognized for its natural beauty, wildlife, and national parks, harbors some captivating underground attractions that may surprise you. Explore these hidden gems, ranging from caves and mines to missile silos and bunkers.
Sinks Canyon Cave
Located in Sinks Canyon State Park near Lander, Sinks Canyon Cave derives its name from the geological wonder of the Popo Agie River disappearing and reappearing downstream. Open for self-guided tours, you can explore its 600-foot length, featuring chambers with stalactites, stalagmites, flowstone, and various cave formations. A permit from the park office is required, and visitors should bring their own flashlight and helmet to enjoy the sights of bats and other cave-dwelling creatures.
Vore Buffalo Jump
Situated near Beulah, Vore Buffalo Jump is an archaeological site where Native Americans historically hunted bison by driving them over a cliff. Formed over a limestone cavern, the site, a sinkhole, holds thousands of bison bones and artifacts dating back to the 16th century. Explore the area to discover the history and culture of Plains Indians, observing bones and tools left behind while enjoying the panoramic views from the rim of the sinkhole.
Atlas Missile Site 4
Formerly a nuclear missile silo near Chugwater, Atlas Missile Site 4 played a role in the Atlas missile program from 1959 to 1965. Open for public tours since decommissioning in 1965, visitors can explore the launch control center, missile silo, and blast doors that once protected the site from nuclear attacks. Learn about the history and technology of the Cold War era during your visit.
Heart Mountain Relocation Center
Near Powell, the Heart Mountain Relocation Center was an internment camp during World War II, detaining over 10,000 Japanese Americans. One of the government-established camps after Pearl Harbor, it operated from 1942 to 1945, featuring facilities such as a hospital, school, newspaper, and underground bunkers used as air raid shelters and storage. Explore the camp’s remains, including barracks, guard towers, and bunkers, and visit the Heart Mountain Interpretive Center, which showcases exhibits and artifacts sharing the stories of the internees and their experiences.