20 American Treasures to See Now Before They Disappear

If national treasures like the Grand Canyon or the Statue of Liberty are on your must-visit bucket list, consider moving them to the top. A host of forces, from rising sea levels to wind erosion, have put the future of some of America's most iconic landscapes and monuments in jeopardy. Scroll through to see 20 of our nation's most beloved natural and man-made monuments that may be unrecognizable—or may not be here at all—in as little as a few decades. Via builders feed http://www.rssmix.com/