Pinterest Facebook Twitter Email Niagara Falls 01:41 Niagara Falls is the world's second-largest and most famous waterfall. Similar Topics: Outdoors and Adventure Travel's Best National Parks Related Videos Surviving Niagara Falls 01:42 The Great Lakes 03:32 Towering Thrills in Ottawa 02:23 Reaching the Summit at Calypso 01:59 Surviving Sunset Falls 02:46 A Behemoth in Wonderland 02:10 The Leviathan in Toronto 01:58 The Columbia Icefield 02:23 More Videos Yosemite National Park 04:13 Arches National Park 02:37 Bryce Canyon National Park 02:08 Breathtaking Yellowstone 02:52 Zion in the Wilderness 02:01 Jasper National Park 02:34 It's Like ... Different Here 02:32 Zion National Park 02:54 High Line Park 02:21 Aaron's Vlog: Old Fort Erie 00:32 Shadow Figure Haunts Old Fort 02:37 Maui's Haleakala Volcano 02:22 Ednor Rollercoaster 02:08 Great Smokies in a Day 07:10 Quebec's Everest 02:04 Yosemite in a Day 04:38 We Recommend Disappearing Places 16 Photos Top 10 Natural Wonders 10 Photos Yosemite's 13 Must-See Attractions 13 Photos Best Hiking Trails 12 Photos Waterfall Wonders 16 Photos 10 Best Luxe Hotels Near the Grand Canyon