• New Castle Court House - NPS

    First State

    National Monument DE,PA

Support Your Park

How to Donate
Your donation will directly help to protect First State National Monument and to enhance services to the public. Philanthropic contributions make a significant difference and we both welcome and are grateful for your support.

Donations may be sent to:
First State National Monument
National Park Service
c/o New Castle Court House Museum
211 Delaware Street
New Castle, DE 19720

(302) 824-3530

Did You Know?

A trail through a grassy open field recedes into the horizon

The Woodlawn property at First State National Monument contains the demarcation line known as the "12-mile arc," which is a part of a circle drawn from the Old New Castle Courthouse that established the boundary between British colonies of Pennsylvania and Delaware in the 17th century.