Where the oil industry began.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

Rocky outcrops containing overhangs, caves, fissures, clefts, and alcoves that invite exploration and scrambling.

A history of the U.S. military, with a focus on Pennsylvania's contributions.

A former railroad trestle over Interstate 90 has been refurbished for non-motorized traffic on the Palouse to Cascades trail.

Ruins of this late 19th-century mining camp are right on Nevada State Route 266

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

The birthplace of Las Vegas is now preserved as a historic and natural area.

Three hangars filled with meticulously restored aircraft and armored vehicles.

A surviving concrete arrow from an early-20th-century airmail-navigation network overlooks a reservoir.

A concrete arrow from a 1920s airmail navigation network.

The rocks exposed at Valley of Fire State Park also occur in a much less known but equally spectacular area a few miles to the southwest.

A spectacular slot canyon at the northern edge of Lake Mead National Recreation Area.

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

This dry lake bed was once an emergency landing strip for military and experimental aircraft.

A mining camp built around an unexpected occurrence of silver.

An improbable sinkhole in the sediments flanking the Beaver Dam Mountains.

An attractive free-plunge waterfall outside Bend in the Deschutes National Forest.

The sump of the landlocked Carson River is a haven for wildlife.

An isolated early 20th-century gold mine in the remote Pine Forest Range contains much preserved equipment.

A spring and an enigmatic cabin lie in a ponderosa pine forest in the heart of the Desert National Wildlife Refuge.

Bodie's 20th-century rival was a paragon of respectability and calm—but the mines eventually ran dry.

A remote trail traverses the little-known Gearhart Mountains of southern Oregon.

Stay in an old lookout cabin atop Oregon's spectacular Winter Ridge.