Appropriately located on the waterfront, the Seattle Aquarium offers plenty of underwater exploration. In the Window on Washington Waters exhibit, spot native Puget Sound marine life such as salmon and sea anemones. Divers put on three shows daily to talk to aquarium visitors from underwater. Elsewhere, admire jellies, try to find the giant Pacific octopus, and feel a bumpy sea star. https://www.seattleaquarium.org/

Music, science fiction, and pop culture all come together at the fascinating Museum of Pop Culture. The Frank Gehry-designed building looks like a smashed guitar from above, while inside, its colorful exhibits cover everything from the history of indie video games and horror films to Nirvana, the Seahawks, and more. http://www.visitseattle.org/partners/museum-of-pop-culture-mopop-pd/