Skógafoss
Location: Iceland, Southern, Skógar/Vík area
Heavily visited large and impressive waterfall with easy access
Mist Trail (to Vernal Fall)
Location: California, Yosemite National Park, Yosemite Valley
Short hike to the impressive Vernal Fall; spray from the falls creates impressive rainbows in morning sunlight
Rainbow Falls
Location: Hawaii, Big Island, Hilo
Beautiful waterfall with very easy access; under the right conditions, the spray from the falls makes rainbows