Lake Geneva is really dependent on the time of year desu. Obviously midwest winters can freeze your balls off on the best of days, but the river walk is once again the main reason I go. Other than that, the shops are fantastic, in Winter there is the Ice show, and it honestly is a great experience to go to the local winery if you are of age. If you're into adventure parks, Aerial adventures is cool too. Once again, the best part is the history, the amount of gems and houses in the area is astounding. There's a good chocolate shop whose name escapes me, but it should be pretty evident if you find it.>The Dells
The Dells have a few antique shops if you're into that sort of thing, also cracked food. My family hails from the Crystal Lake area, but I live on the west coast, we don't have Noodles and Company of Culvers over here, that fast food is good tier, even if degenerate, filled with xenoestrogens, and generally terrible for you lmfao. If you can afford it, a dells river cruise is fantastic, they are fun to just mess around on, and the average age is somewhere around 30. Plenty of young people on a typical day. Tbh anon, the Dells is just a resort town. Spas, Parks, Shops, great food, etc. It's about your pocket book more than anything.