Washington, D.C. Most people would agree that Washington D.C.'s massive Smithsonian Institution is among the best museum groups in America. It encompasses 19 museums as well as the National Zoo.

With over 1200 museums, cultural and historic sites - and at least one museum in each of our 88 counties - Ohio boasts a rich and diverse museum community.

2 museum in the country. The Cleveland Museum of Art was ranked Business Insider's No. 2 museum in the country. The Metropolitan Museum of Art in New York was ranked first.

Today, The Franklin Institute holds the distinction of being Pennsylvania's most visited museum.