Depending on the precipitation it could also be terrifying. Have you ever stood on that little viewing platform suspended over the canyon after three days of heavy rains? When there is more water thundering over the falls per second than is emptying from the Columbia River into the sea? That platform shakes like it's tearing loose from the canyon wall.
Bring a plastic baggie for your camera...
I experienced that once, might have been my first visit there. Absolutely amazing. Was I disappointed when I went back in August! If there's a restaurant in the resort loft still, I may have to go back. Haven't been for a few years.
Right now in Spain they're holding the Running of the Bulls,
followed by the Soiling of the Pants, and the Burying of the Idiots.