See life in a cubic foot, visit Roman artifacts, and more to do

a coral reef in French Polynesia

INSIDE THE BOX  A new Smithsonian exhibit explores the diversity of life that passes through a given cubic foot of land or water in one day (coral reef in French Polynesia shown).

© David Littschwager

Dinosaurs Among Us

Now open

With help from fossils and life-size models, this exhibit lays out the evidence — from feathers to nesting behavior — that links dinosaurs to birds.