welcome to the dis! congratulations on 25 years together & happy anniversary!
there are tons of romantic activities at wdw some of our favorites are, dinner at cinderella castle with a anniversary table (request when making your ar & when arriving) or california grill during the mk fireworks, wdw behind the scene tours - me & my fiance loved the dolphins in depth & backstage safari, a specialty cruises for a picnic or fireworks at mk or epcot illuminations, carriage rides at ft wilderness or pofq, hoopdedoorevue dinner show, a couples spa treatment at gf spa, tandem parasailing at the contemporary, golfing at osprey ridge, definetly stroll ws at epcot with its many restaurants (our favorite spot to eat), shops & foreign locales, the boardwalk's atlantic dance & jellyrolls clubs or rent a surrey bike & enjoy bwi & crecent lake. no matter what you do you will have a magical time!