Stargazing -

Voyageurs National Park

A water-based park along the Canadian border, best explored by boat or canoe across its interconnected lakes, with some of

Two desert ecosystems meet here, dotted with the park’s namesake spiky yucca trees and giant rock formations popular with climbers.

A dormant volcanic summit on Maui rising above the clouds, famous for sunrise viewing over its massive crater, plus a

Home to Guadalupe Peak, the highest point in Texas, and McKittrick Canyon’s fall foliage — a rugged, lightly visited park

The tallest sand dunes in North America, rising against the backdrop of the Sangre de Cristo Mountains — popular for

A remote, uncrowded park with 13,000-foot Wheeler Peak, ancient bristlecone pines, and Lehman Caves, plus some of the darkest skies

One of the most recognized landscapes on Earth — a mile-deep, 277-mile-long canyon carved by the Colorado River, with the

The hottest, driest, lowest national park in the country, with salt flats, sand dunes, and colorful badlands stretching across the

Utah’s largest national park, carved by the Colorado and Green Rivers into a maze of canyons, mesas, and buttes, divided

A narrow, sheer-walled canyon carved by the Gunnison River, with some of the steepest cliffs and oldest exposed rock in