The Strong is a highly interactive, collections-based museum devoted to the history and exploration of play.
Founded in 1947 as an independent nonprofit institution, it is the world's oldest photography museum and one of the oldest film archives.
It may be out of the way, but Niagara Falls is commonly listed amongst various lists as a seventh wonder, as a candidate for the 'natural wonders of the world', or as an honorary 8th wonder of the world.