If you’re stumped and want a unique gift that someone’s probably never received, this Annual National Parks Pass ($80) might be for you.
The pass is valid for one year from the month of purchase, and will allow the pass owner (as well as travel companions in the same vehicle) to enter all Federally-operated recreation sites around the United States.
Be sure to tell the person you give it to that they’ll have to hang on to it. Passes can’t be replaced if lost or stolen.
UPDATE: If you’re US military or a dependent of a US military person, you qualify for a free annual pass…