Rushmore Cave into a rock known as limestone. The cave has a cornucopia of rooms including the Entrance Room, Post Office, Image Room, Big Room, Fairyland, Rope Room, Geode Room, The Rouge Room (Party Room), Arrowhead Room, and the Floral Room. The cave also includes boxwork and many dripstone formations including stalactites, stalagmites, columns, helictites and flowstone. Rushmore Cave Rushmore Cave is the closest show cave to Mount Rushmore National Memorial in the United States. It contains a wide variety of natural formations. It is the ninth longest cave in South Dakota. It measures a distance of . It was discovered in
Mount Greylock State Reservation Mount Greylock State Reservation Mount Greylock State Reservation is public recreation and nature preservation area on and around Mount Greylock, the highest point in the state of Massachusetts. The park covers some in the towns of Lanesborough, North Adams, Adams, Cheshire, Williamstown and New Ashford, Massachusetts. It was created in 1898 as Massachusetts' first public land for the purpose of forest preservation. Mount Greylock State Reservation was created in 1898 when the state legislature passed Chapter 543 of the Acts of 1898, which appropriated $25,000 for land purchases and created the Greylock Reservation Commission as overseer. The Veterans War Memorial