He likes to travel? Weekend getaway to a place he talks abt visitg. Likes to chill or has a stressful job? Couples spa day. Likes adventure? Nascar experience
U know what he likes...mayb u can share a lil abt him. It may help get more suggestions
Go to a city you have always wanted to visit and instead of staying in a hotel go to a bed and breakfast in the area. Much more intimate setting all the way around.