What in the world was Jim Hansen thinking back in the 1990s when, as a U.S. representative from Utah and chair of the House Resources Subcommittee on National Parks, Forests and Lands, he said Great Basin National Park should be removed from the National Park System?

He labored in the shadow of the National Park Service’s founding fathers, but Robert Sterling Yard was one of the best advocates the agency ever had.

Aztec Ruins and the River of Lost Souls may sound like a title for the next Indiana Jones movie, but these are real places that you can visit—and you won't even need a passport or a hyper-active spirit of adventure. One small disclaimer is in order: The Aztecs had no connection with these impressive remains of a long-departed civilization.

Is it time to reopen Miss Liberty's crown to the general public? Interior Secretary Ken Salazar thinks so.