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Museum Hours:Wednesday–Saturday, 10am–5pm

Movies on the Mall

Friday, August 21, 2026-Saturday, August 22, 2026 | 5:30pm EDT
Philadelphia Visitor Center
599 Market Street
Philadelphia PA 19106
Register to Attend
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Join the Science History Institute at Movies on the Mall and explore the science of the Revolution. Learn about spies and spy craft, write a message in invisible ink, and create your own coded messages!

Activities take place from 5:30 to 7:30pm. Each evening’s featured film—National Treasure on Friday and National Treasure 2 on Saturday—starts at 8pm.

Admission and popcorn are free! Registration is recommended.

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Book cart decorated as a woolly mammoth
August 12, 2026
Free

Othmer Library Tour

Curious about the other half of the Science History Institute? Step into the Othmer Library of Chemical History!

A stylized depiction of fireworks with yellow and red bursts against a dark background, related to the history of fireworks.
August 15, 2026
Drop-In Tours

Fireworks Tour

Join our museum educators for a drop-in tour of our special exhibition on the fascinating history and science of pyrotechnics.

Thomas Paine and Joseph Priestley are seated at a table with guns, knives, a dish says phospherous, a gun butt says "Royal Electric fluid." A winged puti grins at them squatting in the center of the table. Books on treason, murders, assistination, revolution, etc. surround them. At Priestley's feat are packages of brimstone, axe and pickax. On the walls are scenes of execution and assassinations.
August 15, 2026
For Families

Stories of Science: Revolutionary Ideas with Thomas Paine!

Join us as we welcome Thomas Paine—patriot, pamphleteer, AND SCIENTIST—as presented by reenactor Dean Howarth.

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