Admission, Hours, and Entrance Location Admission to all public areas of the U.S. Botanic Garden (USBG) is free. The Conservatory is open 10 AM - 5 PM daily. The Conservatory main entrance is located at 100 Maryland Avenue, SW (use this address for internet mapping searches). Visitors are welcome in Bartholdi Park from dawn until dusk and can access it from any of the three bordering streets - Independence Avenue, Washington Avenue or First Street. Tour Information Map of the USBG Facilities and Surrounding Area Transportation and Parking A limited number of metered parking spaces is available within a few blocks of the USBG. The use of public transportation is encouraged. Take Metrorail Blue or Orange line to Federal Center SW or Capital South stations, or Metro Bus #30, 32, 34, 35, or 36 to Independence Avenue and First Street, SW. For more information on using Metro Rail or Bus, please visit http://www.metroopensdoors.com Route to Tour Bus Parking Lot B For tour bus operators and organizers, a map showing the tour bus route from the Capitol to Parking Lot B at Union Station (51k) is available. Click for map. Drivers should use this route when going between the tour drop-off/pick-up point on First Street, S.W., and the bus parking lot. Parking Lot B is located at Union Station. Click for map. Accessibility The U.S. Botanic Garden is ADA compliant and offers full accessibility for those with special needs. Handicapped parking is available on Maryland Avenue at Garfield Circle. The Conservatory offers pay phones with TTY capability. We also offer wheelchairs. Sign language interpreters are available by advance reservation; telephone (202)226-4082.