History & Discoveries
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This month we celebrate our national tree: the oak. Oaks often live for hundreds of years and are considered a keystone species with entire ecosystems depending on them for survival and habitat.
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Public Notice
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Upcoming tours and student programs provided by the U.S. Capitol Visitor Center. Highlights include in person, online and homeschool opportunities designed by the Capitol Visitor Center's Education team.
History & Discoveries
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The U.S. Capitol Grounds is an officially accredited arboretum full of thousands of trees, beneficial insects, native plants and even a hidden retreat.
Public Notice
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Upcoming programs and tours, provided by the U.S. Capitol Visitor Center. Highlights include a celebration of the U.S. Capitol Guide Service and Constitution Day events.
Programs & Events
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Learn about the Nez Perce-Clearwater National Forests as we select the 2026 U.S. Capitol tree. 🎄
Public Notice
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Upcoming programs, tours and online experiences, provided by the U.S. Capitol Visitor Center. Highlights include a celebration of the U.S. Capitol Guide Service and a focus on America in the 1800s.
History & Discoveries
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Artists throughout American history have portrayed the Declaration of Independence in a wide variety of mediums, from frescoes to sculptures.
Public Notice
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The AOC has received the AGA's prestigious Certificate of Excellence in Accountability Reporting (CEAR®) for its Fiscal Year 2025 Performance and Accountability Report.
History & Discoveries
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From blocks of ice and wooden fans to modern air conditioning systems, the Architect of the Capitol has been doing what it takes to cool Congress for over 135 years.
Public Notice
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The annual concert celebrating Independence Day will be broadcast live from the West Front of the U.S. Capitol. Here's what to know before you go.
History & Discoveries
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The AOC Curator Division maintains a small collection of objects related to Cox's work, representing project material left during his design and painting of the House corridors in the 1970s.
Public Notice
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Join us July 2-4, 2026, for our celebration! From 9:30 a.m.-3:30 p.m. we will have free family-friendly events, interactive experiences and lots of patriotic fun.
Public Notice
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Join us for extended evening hours and live music when we stay open until 8 p.m. on select summer dates!
History & Discoveries
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Our Curator, Dr. Michele Cohen, is in the Capitol Crypt for the Magna Carta's anniversary. This entire display was made in England by artist Louis Osman, who had also crafted the crown for the investiture of Prince Charles.
Public Notice
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Upcoming in-person programs and tours, plus webinars and a new digital scavenger hunt, provided by the U.S. Capitol Visitor Center.
History & Discoveries
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Our Curator takes a deeper look at the four large history paintings by John Trumbull in the U.S. Capitol Rotunda, which depict pivotal moments before, during and after the Revolutionary War. #America250
Public Notice
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Bands representing different branches of the military will perform weeknights at the U.S. Capitol.
Public Notice
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Here's what to know before you go to the annual National Memorial Day Concert at the U.S. Capitol on Sunday, May 24, 2026.
Projects
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A passageway in the Senate wing now looks more like it did in the 1850s thanks to the ongoing Capitol Building Paint Analysis and Plaster Repairs project.
Public Notice
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Highlights include tools the House Carpentry Branch uses, restoration of a U.S. Capitol Senate corridor, and how the U.S. Botanic Garden is testing its orchids for viruses.
Projects
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The historic relationship between the Cannon Building and its landscape has been restored with a central green space usable for the first time since the 1950s.
Public Notice
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Upcoming online experiences, plus in-person programs and tours, provided by the U.S. Capitol Visitor Center.
History & Discoveries
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The Architect of the Capitol's Urban Forester takes us on an adventure around the U.S. Capitol Grounds to search for its biggest tree.
Project
This project will create a stand-alone structure nestled into the landscape that will serve as the new screening area prior to entering the House Wing (south entrance) of the U.S. Capitol.
History & Discoveries
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Our Curator, Dr. Michele Cohen, is in the Rotunda with the statue that started it all! This statue of Thomas Jefferson was the first full-length portrait statue placed in the U.S Capitol Building.
History & Discoveries
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Careful observation of portrait statues on view in the U.S. Capitol can help us understand what elements contribute to a powerful and enduring statue.
Behind the Scenes
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The carpentry workers, wood crafters and locksmiths of the House Office Buildings complete a wide range of projects from installing cabinetry to hanging pictures to replacing missing door pieces — creating a place of lasting memories in historic spaces for those they serve.
Public Notice
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Celebrate the botanical beauty of America! From April 10 through October 12, 2026, the Garden will showcase the official flowers for all U.S. states and territories.
Public Notice
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Whether you live in the area or are coming from afar, be sure to stop and see the cherry blossoms sprinkled throughout the U.S. Capitol campus.
Highlight
On behalf of a grateful Congress, this plaque honors the extraordinary individuals who bravely protected and defended this symbol of democracy on January 6, 2021.