A dispute over the National Park Service's authority at Fort Vancouver National Historic Site in Washington state has led a congresswoman to introduce legislation to remove a museum and seven acres of land from the park.

This coming April 6 is Park Day for Civil War battlefields and historic sites. Started in 1996 by the Civil War Trust, Park Day is a nationwide event during which Civil War history lovers contribute a day of volunteer work to help maintain the war's historic sites.

Quick, can you name the national historical park that greeted more visitors in 2012 than Yosemite, Yellowstone, Grand Canyon and Grand Teton national parks, not to mention 383 other units of the National Park System?

It’s no secret that we birders tend to do things a little differently than “normal” travelers. Valentine’s Day weekend at the sewage treatment plant? Getting up at 4 a.m. every morning of your vacation? Perfectly acceptable behavior for the seasoned birder. But Saguaro National Park in August???