Capitol Building Tunnel System
Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

šŸ“œ Sprawling pedestrian tunnel system under Capitol Hill.
šŸ” Allows secure traversal between office buildings, Library of Congress, and Capitol building.
Originally built for weather protection, not privacy.

Why Go

šŸ›ļø Explore unique historical infrastructure of Capitol Hill
šŸš¶ Experience tunnels used by Congress members for a century
šŸ‘€ See the old Senate subway car in Russell basement rotunda

Why Avoid

šŸ’¤ May not appeal to all tourists

ā„¹ļø Tips

The pedestrian tunnels are open to the public.
šŸ“ Located under the U.S. Capitol Building, Washington, D.C.

Last updated 2 days ago

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