National Gallery of Art

The founding documents themselves, with interactive displays that explain them. The line can run long, so go early.

Landmark planes and spacecraft overhead, and a gallery on how flight works with a plane kids can sit in. Book the timed passes first.

Artifacts and stories from Indigenous cultures, plus the imagiNATIONS activity center where kids get to try things with their hands.

Carved horses and an accessible chariot for riders who can't climb on, right between the museums.

Dinosaur skeletons, animal halls, minerals and ocean displays under one roof, so each kid finds a room they want to stay in.

A glasshouse of tropical plants and desert displays, so kids can go from jungle to cactus in a few steps.