The annual Dark Sky Festival in Sequoia and Kings Canyon National Parks offers a unique experience and has drawn steady crowds for years. Standing under giant sequoias. Photo credit: Miles with ...

Bryce Canyon National Park's clear air, high elevation and lack of light pollution make it a prime stargazing spot. In fact, the park is an official International Dark Sky Park. It's a designation ...

One of the more controversial additions to the Grand Canyon's surroundings, the Grand Canyon Skywalk is a large, semicircular bridge with a transparent glass floor, allowing tourists to walk out ...