Looking for something fun to do this weekend? Friday night, the National Aquarium in Baltimore is selling half price tickets! Friday is your night! Get access to award-winning exhibits for half the price of general admission during Half-Price Friday Nights, brought to you by M&T Bank. An evolution of our Fridays After Five program, Half-Price Friday Nights runs year-round, allowing you to spend any (or every) Friday evening after 5 pm with our 20,000-plus animal residents. Tickets are available online or Friday evenings on-site.