I visited all the major US national parks and ranked them based on factors like beauty and crowd size. My favorites include ...

An analysis of data from 1999 through 2023 shows 93% of parks and wilderness areas saw improved air quality on clear days.

Ice Peaks was supposed to sprawl across Washington, from the Canadian border to Mount Adams. But politics got in the way.

This stunning North Dakota park is named after President Theodore Roosevelt, who was integral to early conservation movements and created five national parks during his presidency. This park is ...

The National Parks System is dropping access fees to all 400 parks on April 19. That date marks the start of National Parks ...

How did we get here?   America’s 32nd president, Franklin D. Roosevelt, declared in his fireside chat on December 29, 1940, ...

Ever wonder who built the state parks in Tennessee ... that were created by the Civilian Conservation Corps (CCC), a national program that only lasted about nine years. The CCC was the most popular ...

The 1999 rule requires states to reduce air pollution over more than 150 national parks, wilderness areas and tribal ...

WASHINGTON — Sen. John Hoeven, R-N.D., has introduced bipartisan legislation to ensure the health and genetic diversity of the wild horses at Theodore Roosevelt National Park. The Theodore ...