Prompt
"Create an image of the iconic Smithsonian Institution, a renowned museum and research institute located in Washington, D.C., United States. Depict the stunning Smithsonian Castle, the main building of the institution, surrounded by lush greenery and reflecting the architectural style of the 19th century. Incorporate subtle hints of the numerous research centers, museums, and galleries that make up the institution, such as the National Museum of Natural History, National Air and Space Museum, and National Museum of American History. Capture the grandeur and significance of this esteemed institution, which attracts over 20 million visitors annually and is home to a vast collection of over 154 million objects. Style: realistic and majestic, conveying a sense of history, knowledge, and cultural significance."