Went to Cuba this past fall. Stayed in Varadero on a resort, and only made it out as far as Matanzas. Never made it to Havana unfortunately. I've never been anywhere hot before, so the heat was next level for someone coming from Canada. I've never sweat that much just sitting. So much respect for anyone that lives in that type of climate. Obviously they're somewhat used to it, but to see people doing physical labour in that heat is impressive. But maybe I'm naive.
Copenhagen was one of my favourite places I've traveled. Didn't get to explore to much as it was a school trip, complete with an intensive workshop type program. But was staying in a hotel 15 minutes from Cristiania, so was obviously enjoying what they offered there. Spent a lot of time walking around at night, just randomly exploring. Girls seem rad there.
Seoul was an interesting experience. That was probably the most exotic place I had been at that point in my life. Thankfully was traveling with people who spoke Korean, so I didn't have to work that hard translating, or figuring out where to go. People are nice, food is great, beer is super cheap. You can bring fried chicken to the baseball games, which is a common thing over there.