The B&O’s famous roundhouse was once the largest circular industrial building in the world. It now houses 15,000 artifacts, including America’s oldest steam locomotive. (From Aerial America) Read more.
No gates, admission is free. Tulips are best near end of April, beginning of May. Passed down since the 1800's there are over 80,000 tulip bulbs not to mention the other interesting plants. Read more.
Love it! Check it out, and it has free admission. Plus there is jazz in the sculpture garden in the summers on Saturdays. Good stuff! Read more.