Best nonprofit organization in Pennsylvania

Phipps Conservatory and Botanical Gardens

1 schenley park, pittsburgh, Pennsylvania 15213 90,029 fans

Elk Country Visitor Center

950 winslow hill rd, benezette, Pennsylvania 15821 26,085 fans

Morris Arboretum of the University of Pennsylvania

100 e northwestern ave, philadelphia, Pennsylvania 19118 19,242 fans

Seminary Ridge Museum - Gettysburg

111 seminary rdg, gettysburg, Pennsylvania 17325 16,912 fans

Oil Creek and Titusville Railroad

409 s perry st, titusville, Pennsylvania 16354 15,396 fans

Laurel Hill Cemetery

3822 ridge ave, philadelphia, Pennsylvania 19132 13,922 fans

Mercer Museum and Fonthill Castle

84 south pine street, doylestown, Pennsylvania 18901 12,475 fans

The Pride of the Susquehanna Riverboat

1 riverside dr, harrisburg, Pennsylvania 17101 7,783 fans

Landis Valley Museum

2451 kissel hill rd, lancaster, Pennsylvania 17601 7,730 fans

Pocono Environmental Education Center

538 emery rd, dingmans ferry, Pennsylvania 18328 5,937 fans

Campus Theatre

413 market st, lewisburg, Pennsylvania 17837 5,218 fans

Colonial Pennsylvania Plantation

3900 north sandy flash drive, newtown square, Pennsylvania 19073 4,703 fans

Fort Mifflin

6400 hog island rd, philadelphia, Pennsylvania 19153 4,512 fans

Westmoreland Historical Society & Historic Hanna's Town

809 forbes trail rd, greensburg, Pennsylvania 15601-6548 4,257 fans

Glen Foerd on the Delaware

5001 grant ave, philadelphia, Pennsylvania 19114 3,592 fans

Wharton Esherick Museum

1520 horseshoe trl, malvern, Pennsylvania 19355 3,458 fans

Hill Center

921 pennsylvania ave se, washington, District Of Columbia 20003 3,275 fans

The Stone Bridge Project

washington & route 56, johnstown, Pennsylvania 15901 3,195 fans

Moravian Historical Society

214 e center st, nazareth, Pennsylvania 18064 2,884 fans

Awbury Arboretum

1 awbury rd, philadelphia, Pennsylvania 19138 2,568 fans