These stunning images of sunrise and sunset will make you want to explore America’s public lands: http://on.doi.gov/1yvGeRd

To celebrate the start of National Park Week, all national parks are waiving entrance fees on April 18-19.

Captions from top to bottom:

The calm after the storm is truly beautiful. This photo of Crater Lake National Park in Oregon was taken from Discovery Point just at sunrise just as a storm was clearly the park. Photo by Greg Nyquist (www.sharetheexperience.org).

Established in 1932 as a migratory bird refuge, Cape Romain National Wildlife Refuge encompasses a 22-mile segment of the southeast Atlantic coast. This South Carolina refuge consists of 66,287 acres of barrier islands, salt marshes, intricate coastal waterways, long sandy beaches, fresh and brackish water impoundments, and maritime forest. Photo by Ben Sumrell.

The sky is ablaze with color during sunset at Warner Wetlands. The 52,000-acre Warner Wetlands is home to lakes surrounds by the high desert along the base of Hart Mountain in southeastern Oregon. Photo by Roman Iacobucci, BLM (mypubliclands)

The Island in the Sky mesa – at Canyonlands National Park in Utah – rests on sheer sandstone cliffs over 1,000 feet above the surrounding terrain. Every overlook offers a different perspective on Canyonlands’ spectacular landscape, like this stunning vista seen from Green River Overlook. Pic by Rowena Trapp (www.sharetheexperience.org).

Sunsets are amazing at the Grand Canyon National Park in Arizona. Randy Langstraat captured this pic from Cape Royal — a point that provides a panorama up, down, and across the canyon. With seemingly unlimited vistas to the east and west, it is popular for both sunrise and sunset. Photo from www.sharetheexperience.org.

A brilliant sunrise illuminates a fresh blanket of snow at Oregon’s Crater Lake National Park. To capture this amazing shot of the sun peeking over the rim of the lake – creating a natural sunstar – Alex Noriega had to snowshoe for miles to the park’s west rim, and the extra effort paid off. This photo, taken February 2015, includes views of Wizard Island, Mount Scott and Garfield Peak.

Photo courtesy of Alex Noriega.