If it's not just limited to non-rev travels (alas, I am still a newbie there!) some of the cool things I've done.

Was at Live Aid, Wembly.

Been snuck into a Paul Young's after party.

Sat in the cockpit of a WWII training Cessna Crane.

Ridden in an Avro Lancaster while she taxied

Made a side trip to DTW to have lunch with a freind (from SEA via MSP on and overnight to YWG)

'Done Lunch' in NYC

Spent a 'weekend' in Vegas and didn't gamble a penny.

Saw the Mormon Tabernacle Wax Museum on a 'lunch' trip.

Met Mark Hammil, spent a few hours with Carrie Fisher - ties into:

On a Thursday, Got a DAT, OA tickets and made in in and out of SFO for SUNDAY. THAT one will be hard to beat!