Rotunda of the Smithsonian Institution National Museum of Natural History in Washington, D.C. (© National Geographic Image Collection/Alamy)

【July 16 2013】Today, on the 223rd anniversary of the founding of our federal capital, we're featuring one of Washington D.C.'s treasures: The rotunda of the Smithsonian National Museum of Natural History. The museum got its start after a four-year expedition in 1838 which traveled the globe gathering cultural and natural history items. Today, over 126 million objects are part of its collection. Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..