Still, most reviewers called the attraction a must-do in Baltimore. The aquarium is conveniently located on the Inner Harbor, and is easily accessible with the free Charm City Circulator.

Many of the attractions in Baltimore – including the National Aquarium, the Maryland Science Center, the USS Constellation and the major sports stadiums – are centered in the Inner Harbor.

Spoiler Alert: we found TONS of fun and PLENTY of things to do in Baltimore ... re limited to one day in Baltimore Harbor, opt for the highlights. Check out the aquarium, rent a boat in the ...