If by freaked out you mean absolutely having the time of my life, then yes!
If a local aquarium offered overnights where you could throw a sleeping bag down on the floor and spend the night, would you be interested?
Crap, I could write a whole essay on that one. It's kind of variable, too. Sometimes it's physical attraction to someone, sometimes it's a personality thing with someone, sometimes it's an idea or fantasy that wanders through my mind. God, I could keep going.
Do you fantasize about co-workers or other people you meet in non-sexual, non-romantic contexts?
A strange little something for Halloween.