The Neversink Pit Sinkhole in Alabama. The Neversink Pit Sinkhole is located near Scotsboro, Alabama. It is a natural limestone cavity leading to a cave network. The hole is 40 feet wide at its opening.
Bandelier State Park - New Mexico. Most of the pueblo structures date to two eras, in total from 1150 to 1600 AD. Permanent settlements by ancestors of the Puebloan peoples have been dated to 1150 CE; these settlers had moved closer to the Rio Grande by
Tree stumps along the shoreline of American Memorial Park in the island of Saipan. The park is getting smaller every day. Topsoil is being washed away by waves. These stumps used to be beautiful pine trees. (photo by Mamang Sorbetero)