Sure, here are a couple of places in the United States where you can safely jump off waterfalls:

* **Hippie Hole, Alabama:** Hippie Hole is a popular spot for waterfall jumping in Little River Canyon National Preserve. There are several waterfalls to choose from, ranging in height from 10 to 30 feet. The water is deep and clear, making it a safe place to jump. There are also lifeguards on duty during the summer months.
* **Saint Mary's Glacier, Colorado:** Saint Mary's Glacier is a beautiful alpine lake with several waterfalls cascading down its sides. The most popular waterfall for jumping is the 25-foot waterfall at the north end of the lake. The water is cold, but it's very deep and refreshing.
* **Malibu Creek Rock Pools, California:** Malibu Creek Rock Pools is a series of natural pools and waterfalls located in Malibu Creek State Park. There are several different waterfalls to choose from, ranging in height from 10 to 20 feet. The water is cool and clear, and the pools are surrounded by lush vegetation.

Please note that these are just a few examples, and there are many other safe places to jump off waterfalls in the United States. It's important to do your research and choose a spot that is appropriate for your skill level and experience. It's also a good idea to go with a friend or group, and to let someone know where you're going and when you expect to be back.

I hope this helps!
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