Patterns and signs
  • Fall leaves blow in the wind. Mount Mousilauke trail, White Mountain National Forest, New Hampshire
  • Masts, spars, and rigging aboard the sailing ship C. A.Thayer. San Francisco Maritime National Historical Park, California
  • Warning sign, Denali National Park, Alaska
  • Water wheel and reduction gears form a geometric pattern. Mabry Mill, Blue Ridge Parkway, Virginia.
  • Rail fence in the traditional zig-zag fashion. Cades Cove, Great Smoky Mountains National Park.
  • Dew coats a spider web. Cades Cove, Great Smoky Mountains National Park.
  • Abandoned gas pump shows a long-ago price.
  • Campground sign shows the last-dollar amount of a penalty.
  • A Texas trademark, bluebonnets and Indian Paintbrush line a rail fence in Washington County, Texas