It pays to fish at Glen Canyon National Recreation Area, especially if you hook a brown trout. That's because brown trout are an invasive species in Lake Powell, and the National Park Service has placed a $33 bounty on each fish caught and turned in.

Black eyes stare from the shadows of a tiny cave, a feathered, white crescent drawing my gaze. I halt mid-step, my eyes probing the inky dimness of the cliffside cavern. I’m looking at one of Banff National Park’s rarest birds — the black swift — from one of its busiest hiking trails, Johnston Canyon.

Missteps in Grand Canyon, Grand Teton, and Zion national parks during the past four days have killed three people.

Yellowstone National Park Superintendent Cam Sholly was a recent guest on National Parks Traveler's weekly podcast. While the first half of that conversation centered around the park's response to Covid-19, the rest touched on various aspects of Yellowstone, from the lake trout invasion of Yellowstone Lake and infrastructure needs to ongoing conservation work in the park. Here's a portion of that conversation.