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Appin Technology Lab
Old City Hall is one of Appin Technology Lab.

1. Old City Hall

7.5
501 Chestnut St (at 5th St), Philadelphia, PA
History Museum · Center City East · 11 tips and reviews

HISTORYHISTORY: The U.S. Supreme Court met here from 1791, when the building was finished, to 1800, when America’s capital moved from Philadelphia to Washington.

Congress Hall is one of Appin Technology Lab.

2. Congress Hall

7.8
Chestnut St (at 6th St), Philadelphia, PA
Historic and Protected Site · Center City East · 13 tips and reviews

HISTORYHISTORY: Built in 1789 as the Philadelphia County Courthouse, this was where the U.S. Congress met from 1790 to 1800, when Philadelphia was America’s capital. In 1791, the Bill of Rights was ratified here.

3. Barker Hangar

3021 Airport Ave (Bundy), Santa Monica, CA
Event Space · 14 tips and reviews

VH1VH1: Check-in to the Do Something Awards, use #DSAwards to tweet and WATCH the show Tuesday, August 21 at 9/8c on VH1!

The Pentagon is one of Appin Technology Lab.

4. The Pentagon

1400 Defense, Arlington, VA
Government Building · The Pentagon · 98 tips and reviews

HISTORYHISTORY: Lt. Col. Hugh Tracey and architect George Bergstrom conceived this building's five-corner design during a feverish summer weekend early in World War II.

5. Union Station

7.7
50 Massachusetts Ave NE (at Columbus Cir NE), Washington, D.C.
Rail Station · 662 tips and reviews

Michelin Travel & LifestyleMichelin Travel & Lifestyle: Board the Old Town Trolley every 30min at locations around town. A ticket allows free reboarding. The Monuments by Moonlight Tour departs from Union Station nightly at 7:30pm. -- Green Guide Editor Read more.

6. National Gallery of Art - Sculpture Garden

9.3
Constitution Ave NW (at 7th St NW), Washington, D.C.
Sculpture Garden · Northwest Washington · 93 tips and reviews

Michelin Travel & LifestyleMichelin Travel & Lifestyle: Need more activities? The wknd section in the Fri edition of the Washington Post lists entertainment & special events for children. -- Green Guide Editor

7. United States Botanic Garden

8.9
100 Maryland Ave SW (Independence Ave), Washington, D.C.
Botanical Garden · Southwest Washington · 111 tips and reviews

Michelin Travel & LifestyleMichelin Travel & Lifestyle: Visiting the museums? Security's tightened; many require visitors to pass through metal detectors & have bags searched. Some sites may limit which items may be carried inside. -- Green Guide Editor