Washington Monument
circa 1845
circa 1845
circa 1864
1870
1915-12-10
circa 1820
circa 1800-1820
circa 1818
1904-06-14
circa 1970
circa 1970
circa 1970
circa 1910
circa 1910
circa 1910
circa 1910
circa 1910
1878
1913-03-12
1913-01-22
1913-02-28
1913-02-28
1913-03-31
1913-03-31
1913-03-12
circa 1929
circa 1915
circa 1860
circa 1962
1949-09
1949-10
circa 1948
1948-07
1821
1822
1845
1874
circa 1993
circa 1993
circa 1993
circa 1993
circa 1993
circa 1993
circa 1993
1904
circa 1890
circa 1892
1976-07-16
1976-07-06
1976-07-02
1976-06-15
1976-04-06
1976-03-03
1976-01-12
circa 1935-05
1934
circa 1925
circa 1925
circa 1948
1904-06-14
1959-10