National Parks

Palo Alto Battlefield National Historical Park marks the 1846 clash of Mexican and U.S. troops, preserves the battle site, and includes history tours.

Pea Ridge National Military Park is a 4,300 acre Civil War Battlefield that preserves the site of the March 1862 battle that saved Missouri for the Union.

Pecos National Historical Park preserves Indian pueblos and Pecos cultural remains.

Pennsylvania Avenue National Historic Site is beloved as the heart of the Nation's Capital, over which Americans have marched, paraded, and protested.

Perry's Victory & International Peace honors all who fought the Lake Erie Battle in the War of 1812, celebrating peace for Britain, Canada, and the U.S.

Petersburg National Battlefield is the site of a grueling Civil War siege that spelled the end of Robert E. Lee's Army of Northern Virginia.

Petrified Forest National Park offers rocky cliffs, backcountry hikes, and the newly-opened Red Basin.

Petroglyph National Monument protects one of the largest petroglyph sites and features volcanic rock carved by Native American and Spanish settlers.

Pictured Rocks National Lakeshore, on the largest and deepest Great Lake, includes cliffs, beaches, waterfalls, and forest for outdoor adventure.

Pinelands National Reserve includes acres of farm, forest, and wetlands.

Pinnacles National Park is the result of an ancient volcanic eruption.

Pipe Spring National Monument serves as a water oasis for American Indians, Mormon ranchers, and includes historic forts, gardens, and a ridge trail.

Pipestone National Monument is sacred to many American Indian tribes, who quarry and carve its red pipestone for prayer ceremonies.