Spring is a season of promise, especially for photographers. After months of muted winter palettes, the colors start creeping back—subtle at first, then full-on technicolor. Rivers swell, animals stir, and wildflowers go wild. It’s the kind of sensory overload that makes you reach instinctively for your camera. But with 63 U.S. National Parks to choose from, the question isn’t if you should go out and shoot—it's where. Here are five national parks that come alive in spring and offer some of the most jaw-dropping, memory-card-filling photography opportunities in the U.S. this season. 1. Yosemite National Park, California Why spring is great for photography here: Waterfalls, waterfalls, waterfalls. Yes, Yosemite is iconic. Yes, it’s been shot a million times. But if you...