Texas Cave Trail

Inner Space Cavern is a part of the Texas Cave trail, which includes five different Texas caves! Pick up your passport and get it validated after your tour, then keep it with you and visit the four other caves – Natural Bridge Caverns, Cave Without A Name, Caverns of Sonora, and Longhorn Cavern State Park – within one year to receive a free t-shirt. This shirt is not available for purchase – you have to visit the caves to get it!