"Go to the Wednesday beer tasting. What more do you want? It is free (normally very good) beer."
"Go gawk at the giant T-Rex skeleton that dominates the lobby, then take in the planetarium show, and walk the nature trail."
"Stop by and pick up a comic, play a game, or jaw with the local geeks."
"Take the day to stop and smell the (insert flower of choice here)s."
"Go to Tony's and get a scoop of grape ice cream. It sounds bizarre (and it is) but it is tasty."