AOC employees are responsible for the care and preservation of more than 100 varieties of trees and bushes planted around the U.S. Capitol, as well as outdoor sculptures including monuments, memorials and water features.

Browse the highlights below or learn more about the trees on campus.

Olmsted American Beech

There are two original American beech trees still living on the U.S. Capitol campus today.

Olmsted American Elm

There are two original American elm trees still living on the U.S. Capitol campus today.

Olmsted Bur Oak

There are three original bur oak trees still living on the U.S. Capitol campus today.

Olmsted Dutch Elm

There are two original Dutch elm trees still living on the U.S. Capitol campus today.

Olmsted Ginkgo

Known for its fan-shaped leaves that turn from bright green in the summer to bright yellow in the fall, the ginkgo's earliest leaf fossils date back 270 million years.

Olmsted Green Ash

There is one original green ash tree still living on the U.S. Capitol campus today.