State Parks

A former Catholic seminary, now a Washington State Park, preserves undeveloped lands on Lake Washington and also hosts a luxury hotel.

Spectacular 300-foot cliffs in a lush mountain canyon.

This Idaho state park boasts the tallest single-structured sand dune in North America.

Pleistocene megafauna fossils are the subject of Nevada's newest state park at the northern edge of the Las Vegas metropolitan area.

West Virginia’s first state park commemorates one of the state’s last significant Civil War battles.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

Nevada's second-newest state park offers camping, fishing, hiking, and river float trips.

More than 12,000 years ago, this park was a playground for mastodons.

This unique landscape is the only place in the world to dig for hourglass-selenite crystals.

Florence's historic adobe county courthouse was turned into a historic site that honors one of Arizona's most prominent political leaders.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

Named for a prominent scout and explorer, this Wyoming state park encompasses a replica of an 1840s trading post, a 19th-century Army outpost, and early 20th-century automobile lodgings.

Stand at the point where the two mightiest rivers in the United States converge.

Long before Europeans arrived, Native Americans built an artificial island out of shells that has withstood a millennia of hurricanes.

The source of America's longest river is also a historical landmark and the start of a famous nude run.

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.

Explore the cabin where the famed abolitionist once lived and the site where he fought the Battle of Osawatomie.