The Baltimore Aquarium is an aquarium assumed to be in Baltimore that appeared in Season Thirteen episode, "Whale Whores". It is similar to the real National Aquarium in Baltimore.
Background[]
For Stan Marsh's birthday his dad, Randy Marsh, takes him to the Baltimore Aquarium to swim with the dolphin and see them perform tricks. A gang of Japanese men attack without warning and kill the dolphins using spears, yelling a war cry of "Fuck you dolphin!" A stunned Stan stands in the pool of blood of the dead dolphins all around him as the Japanese men run out of the stadium.