Rock Creek flows through Rock Creek Park in Washington, D.C. (Photo by Bonnie Jo Mount/The Washington Post)

Rock Creek Park, the oldest urban national park in the country, is celebrating its 125th anniversary this year, and the nonprofit that takes care of it, the Rock Creek Conservancy, is throwing a party Sept. 26 at the Italian Embassy.

Tickets to the benefit gala are $250 per person. Promised are refreshments from 20 Washington-area restaurants and silent and live auctions. Information: (301) 579-3105

To get into the mood, read “Our Wild Heart,” Washington Post Magazine’s tribute to the park.