Philadelphia 250

A lost Philadelphia observatory once used to track the transit of Venus may be the place where the Declaration of Independence was read publicly for the first time.

The 229-year-old classical building on 3rd Street has been closed to the public for decades.

Feels-like temperatures could reach as high as 110 degrees Wednesday through Friday. Storms could dampen July Fourth fireworks shows.

“Revisit 1876” shows the good and the bad of Philadelphia’s shining international moment 150 years ago.

The annual Delaware River Sojourn has been drawing kayakers and canoers to the Delaware River for 31 years.

On this episode, we commemorate America's 250th anniversary, and we explore how science and innovation helped build a new nation.

Pepper pot soup was known as a survival meal during the American Revolutionary War, but the stew's African and Caribbean roots are often overlooked.

The city is closing down many roads in the city through July 4 to support Wawa Welcome America Festival events. Here are the changes you can expect.

What Thomas Jefferson meant by "the pursuit of happiness" may be very different from what Americans mean today.

Rare documents and artifacts are on display at the museum in Trenton through the end of the year.

Organizers are marking the 50th anniversary of the 1976 demonstration as a reminder that the nation's founding has long inspired celebration and protest.

This week the city celebrates how the world’s greatest military power began with a bunch of underdogs.

The same bell was rung in 1776 to alert residents about the signing of the Declaration of Independence.

At a WHYY community event, historians and residents examined how one formerly enslaved woman's fight for freedom reveals the contradictions at the heart of America's founding.

El museo de Delaware combina obras de cinco artistas de la región con su colección histórica para explorar la raza, la identidad y quiénes están incluidos.