Grand Falls In Arizona, often called chocolate falls. Grand Falls is a natural waterfall system located 30 miles northeast of Flagstaff, Arizona in the Painted Desert on the Navajo Indian Reservation. At 185 feet tall it is taller than Niagara Falls.
Grand Prismatic Spring, Wyoming in Yellowstone National Park. the largest hot spring in the U. and third largest in the world! Don't forget to see Morning Glory Pool, Old Faithful, and the Grand Canyon of the Yellowstone!