Rangers are on duty to answer questions from 9:30 am to 10 pm daily and to provide interpretive programs throughout the day and upon request.
Free admission.
Wikipedia https://zh.wikipedia.org/wiki/杰斐逊纪念堂
Official website http://www.nps.gov/thje/index.htm
地址 701 E Basin Dr SW, Washington, DC 20242, United States
坐标 38°52'53.118" N -77°2'11.583" E