Pinterest Facebook Twitter Email Sliding Stones 01:56 Scientists are baffled by a set of stones that seem to move on their own. From: Don Wildman, Monumental Mysteries and Ellis Island, Sailing Stones, Alamo Treasure Similar Topics: History Travel's Best National Parks Related Videos Fireworks at Mt. Rushmore 01:52 Custer State Park 01:40 The Black Hills and Deadwood 01:31 Mt. Rushmore National Memorial 02:23 Rescue from Devils Tower 03:25 Wind Cave National Park 02:50 Mt. Rushmore Maintenance 02:40 Black Hills & Native Americans 02:09 More Videos Crazy Horse Memorial 02:09 Massive Flood Damages Yosemite 02:09 Yosemite's Marijuana Problem 01:40 The Freakiest Fish of All 02:46 Catch the Spirit of Yosemite 03:09 Ghostly Tales from the Parks 02:02 Marilyn's Missing Diary 02:10 Rock Breaks Climber's Back 02:16 Epic Manhunt in Grand Canyon 02:10 Reckless Tank Driver 03:10 The Kissing Sailor 03:07 Rock Climber's Mecca 01:24 The San Francisco Fire of 1906 03:02 The Grand Canyon South Rim 02:28 Wai'anapanapa State Park 02:42 Tennessee's Point Park 02:04 We Recommend Most Psychic Places in America Downton Abbey Tours 8 of the Most Incredible Indoor Water Parks 8 Photos Halloween Around the World Top US Off-Road Destinations 9 Photos All Aboard the New York Botanical Garden's Holiday Train Show
