Italy
Keyhole Falls is the unofficial name for the largest waterfall along the Lillooet River in British Columbia, Canada. The falls are 115 feet (35 m) high and are a punchbowl type of waterfall. It is called Keyhole Falls because it resembles a giant old-fashioned keyhole.
Listen to the audio guide for Keyhole Falls Free on WIP — starts by itself when you arrive, even with the screen off