As you watch nostalgic shows that give a glimpse of 90s TV and culture, you probably notice that in many ways, society hasn't changed too much since that decade. Naturally, over the past 25 years, we've gotten away from some of the simple pleasures that delighted us in the 1990s. If you want to take a trip down memory lane, you'll enjoy reviewing the summer activities that were popular in the 90s.1. Volunteering at a HospitalDuring the summer months, you probably want to make the most of your time off if you are a student or a teacher. Alternatively,