The Library of Congress (LOC) is the research library that officially serves the United States Congress and is the de facto national library of the United States. It is the oldest federal cultural institution in the United States. The Library is housed in three buildings on Capitol Hill in Washington, D.C.; it also maintains the National Audio-Visual Conservation Center in Culpeper, Virginia. The Library's functions are overseen by the Librarian of Congress, and its buildings are maintained by the Architect of the Capitol. The Library of Congress has claims to be the largest library in the world. Its "collections are universal, not limited by subject, format, or national boundary, and include research materials from all parts of the world and in more than 450 languages." The Library's primary mission is to research inquiries made by members of Congress, carried out through the Congressional Research Service. The Library is open to the public, although only high-ranking government officials and Library employees may check out books and materials.—Wikipedia
The Smithsonian Institution Building, located near the National Mall in Washington, D.C. behind the National Museum of African Art and the Sackler Gallery, houses the Smithsonian Institution's administrative offices and information center. The building is constructed of Seneca red sandstone in the faux Norman style (a 12th-century combination of late Romanesque and early Gothic motifs; built in the Gothic and Romanesque revival styles) and is nicknamed The Castle. It was completed in 1855 and designated a National Historic Landmark in 1965.—Wikipedia
The Missouri Botanical Garden is a botanical garden located at in St. Louis, Missouri. It is also known informally as Shaw's Garden for founder and philanthropist Henry Shaw. Its herbarium, with more than 6.6 million specimens, is the second largest in North America, behind only that of the New York Botanical Garden. Missouri Botanical Garden features the Climatron greenhouse. The Climatron is a geodesic dome containing over 400-varieties of plant life and a Neo-Classical pavilion and garden. The dome climate ranges from the Amazon through Hawaii and Java to India. Founded in 1859, the Missouri Botanical Garden is one of the oldest botanical institutions in the United States and a National Historic Landmark. It is also listed in the National Register of Historic Places. The Garden is a place for many annual cultural festivals, including the Japanese Festival and the Chinese Culture Days.—Wikipedia This image was processed as an HDR (High Dynamic Range) composition.