Smithsonian Institution Building

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Top 3% of attractions in Washington DC
8 / 10

6 expert reviews

“Smithson requested that it be an institution promoting research and the dispersal of academic knowledge.”

– Time Out

Frommer's Frommer's
"Built in 1855, this Norman-style red-sandstone building, popularly known as "the Castle," is the oldest building on the Mall." Full review
Not For Tourists Not For Tourists
"Storm the castle for information."
U.S. News & World Report U.S. News & World Report
19.0
"More than 1,500 animals call the Smithsonian's 163-acre National Zoo & Conservation Biology Institute home, from Asian elephants to great apes to sea lions." Full review
i
Also, be sure to look up every now and then as you stroll beneath the Orangutan Transport System (called the O Line): Chances are you'll spot orangutans swinging along cables between eight steel towers.
Michelin Guide Michelin Guide
1 Star
"With plants and landscaped environments an integral part of its concept, the Smithsonian's National Zoo is both a "biopark" presenting more than 2000 wild animals." Full review
i
The Panda House with its famous residents is one of the zoo's most popular highlights.
Travel + Leisure Travel + Leisure
"The Gothic Revival-style castle was completed in 1855 and houses the Smithsonian Institution's administrative offices and information center."


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