Editors' pick

U.S. Botanic Garden

Science Museum
U.S. Botanic Garden photo
Courtesy of U.S. Botanic Garden
A tropical paradise, its richly scented halls delirious with color and bloom, the U.S. Botanic Garden has always been an oasis for weary visitors.
Daily 10 am-5 pm
(The Mall)
Smithsonian (Blue and Orange lines), Archives-Navy Memorial (Green and Yellow lines), Federal Center SW (Blue and Orange lines)
Free
202-225-8333
Through 10/13

Amber Waves of Grain

An exhibition about wheat, the work of biologist Norman Borlaug and ongoing research into curing wheat disease.
Through 10/13

This Land Is Your Land

Photography by members of the Garden Club of America features plants of the United States from mountains and prairies to farmlands and arid lands.
8/25 - 12/8

Ongoing exhibits:

A collection of more than 4,000 plants and a tropical rain forest.