In the early 1960s, the rising waters of Lake Powell permanently submerged Music Temple, one of Glen Canyon's most spectacular side canyons. Fortunately, the remarkable site's visitor register was moved to safety.

While there are many long-distance hikes you can take in Joshua Tree National Park, sometimes the heat can just be too much. But even if it's the middle of the day, a stroll down the Cholla Cactus Garden path is well-worth your time to learn about these curious cacti.

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