1: "The Smithsonian Museums house over 154 million artifacts and specimens."

2: "The National Air and Space Museum is the most visited museum in the world."

3: "The Smithsonian Institution was founded in 1846 and funded by British scientist James Smithson."

4: "The museums have a combined total of 30 million annual visitors."

5: "The Smithsonian Museums are located in Washington D.C."

6: "The National Museum of Natural History has over 126 million specimens."

7: "The Smithsonian Castle was the first building on the National Mall."

8: "The Smithsonian Libraries hold over 2 million volumes of rare books and manuscripts."

9: "Each year, the Smithsonian Institution hosts over 1,000 research projects."