Botanic Gardens: First Street, SW, between Maryland Ave. and C St. Washington, DC. The living plant museum located on the National Mall showcases an impressive state-of-the-art indoor garden with approximately 4,000 seasonal, tropical and subtropical plants. The U.S. Botanic Garden is administered by the Architect of the Capitol and offers special exhibits and educational programs throughout the year.
Henryton State Hospital in Marriotsville, Maryland - opened in 1922 as a Sanitorium for Tuberculosis patients, abandoned by 1985 - voices and phantom footsteps are heard throughout - people report intense feelings of unease, being unwanted, and of being watched
Capital State House - Annapolis, Maryland - built 1772-1779 - Georgian architecture - topped by the largest wooden dome in the U.S. constructed without nails - From November 26, 1783 to August 13, 1784, Annapolis was the capital of the United States