| Site | Address | Phone | Website | Open | Admission | Parking |
|---|---|---|---|---|---|---|
| NATIONAL AIR & SPACE MUSEUM | 700 Jefferson Dr., SW Washington, D.C. 20560 |
(202) 357-2700 | http://www.nasm.edu | Every day except Christmas, 9:45 a.m. to 5:30 p.m., with extended hours in the summer. | Free | Almost non-existent. Take the Metro to the L'Enfant Plaza stop exiting at 7th and Maryland Ave. |
| U.S. NAVAL OBSERVATORY | Observatory Circle (off Massachusetts Ave.
NW) Washington, D.C. 20392-5420 |
(202) 762-1467 | http://www.usno.navy.mil/ | Tours begin at 8:30 p.m. on Mondays, except on Federal holidays. | Free | Limited street parking, free, opposite the British Embassy. |
| GODDARD SPACE FLIGHT CENTER | Greenbelt and Soil Conservation Roads Greenbelt, MD 20771 |
(301) 286-8981 | http://www.gsfc.nasa.gov/ | Daily, 9:00 a.m. to 4 p.m. (except Thanksgiving, Christmas, and New Year's Day). Public tours are conducted at 11:30 a.m. and 2:30 p.m., Monday through Saturday. | Free | Free |
| UNIVERSITY OF MARYLAND OBSERVATORY | Metzerott Road between Adelphi Rd. and
University Blvd. College Park, MD 20742 |
(301) 405-0355 | http://www.astro.umd.edu/openhouse/ | The 5th and 20th of each month at 9 p.m. for slide lecture and telescope viewing. | Free | |
| MARYLAND SCIENCE CENTER | Harbor Place, 601 Light Street Baltimore, MD 21230 |
(410) 685-5225 | http://www.mdsci.org/ | Monday-Friday 10 a.m. to 5 p.m., Saturday-Sunday, 10 a.m. to 6 p.m. | $9 for ages 4 and up, $7 for seniors and active duty military personnel, free under age 4 (includes IMAX films). |
Information courtesy Astronomy magazine October 1997 issue.