Alabama Snapshots National monuments and landmarks The Hoover Dam. SUBMITTED BY Travis and Nicole Presley, Uriah. Chris, Isabella, Nicholas, and Sandra on an educational spring break to Washington, D.C.SUBMITTED BY Robin OSullivan, Dothan. Mount St. Helens National Volcanic Monument.SUBMITTED BY Michael Cornelison, Trinity. Mark and Karen Pumphrey and Kingston Miller in front of the Washington Monument.SUBMITTED BY Karen Pumphrey, Foley. North Bridge in Concord, Mass. The site of the first armed conflict that began the Revolutionary War. SUBMITTED BY John H. Allen, Huntsville. Chimney Rock National Monument in Pagosa Springs, CO. SUBMITTED BY Faye Crews Massey, Russellville.