The Stone Arch Bridge is a former railroad bridge crossing the Mississippi River at Saint Anthony Falls in downtown Minneapolis, Minnesota. Offering access to historical Minneapolis neighborhoods, Mill District and St. Anthony on Main in Northeast Minneapolis. Overlooking Saint Anthony Falls and the upper dam and lock on the Mississippi River. It is the only arched bridge made of stone on the entire length of the Mississippi River. Located between the 3rd Avenue Bridge and the I-35W Saint Anthony Falls Bridge, the Stone Arch Bridge was built in 1883 the Great Northern Railway. The structure is now used as a pedestrian and bicycle bridge. It is a Historic Civil Engineering Landmark, and was added to the National Register of Historic Places in 1971. Wikipedia
Science Museum of Minnesota is an American museum focused on topics in technology, natural history, physical science, and mathematics education. Founded in 1907 and located in Saint Paul, Minnesota. The museum's mission statement is to "Turn on the science: Inspire learning. Inform policy. Improve lives.Ó Inside the lobby of the Science Museum is the National Park Service Visitor Center for the Mississippi National River and Recreation Area, which is open free of charge. Mississippi River exhibits and National Park Rangers are available to help people learn about and experience the Mississippi River. The visitor center is also equipped with resources to help plan trips to any of the more than 390 national parks. Wikipedia