An aerial view of Grand Basin, the St. Louis Art Museum (bottom left) and the Missouri History Museum (upper right) in Forest Park, St. Louis, MO, from a commercial jet. Cavers inspecting stalactites. Large, milky white soda straws in a cave. Cavers with stalactites. A cave onyx formation in a cave. Corkscrew stalactites. Delicate soda straw cave formations. Various small soda straw cave formations. Spathite cup. A caver squeezing through a tight passage. Eurycea lucifuga, a cave salamander. A caver traversing a narrow passageway. Small Speleothem. A trail in the Ozarks. An Ozark wilderness cliff. A scenic railway at Branson, Missouri. Table Rock Dam and Lake Taneycomo. White stalactites.