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The National Capitol Columns standing on a grassy rise in a meadow of the United States National Arboretum.
Free entry

Katy Van Every · CC BY-SA 4.0 · Source

United States National Arboretum

The United States National Arboretum covers 446 acres in Northeast Washington and was established by Congress in 1927; the Department of Agriculture runs it as a research centre. Its gardens include Asian collections, azaleas, the National Herb Garden and the National Bonsai & Penjing Museum, and 22 sandstone columns from the Capitol's 1828 east portico stand in a meadow.

Good to know

Opening hours
Mon–Sun 08:00–17:00
Price
Free entry

Hours checked October 14, 2026 · source usna.usda.gov

When to go

Today’s hoursAll weekHide week
Mon08:00–17:00
Tue08:00–17:00
Wed08:00–17:00
Thu08:00–17:00
Fri08:00–17:00
Sat08:00–17:00
Sun08:00–17:00

Frequently asked questions

Is United States National Arboretum free?

Yes. Entry to United States National Arboretum is free.

What are the opening hours of United States National Arboretum?

Opening hours: Mon–Sun 08:00–17:00.

Free entry

Official site

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