# The Franklin Institute

Philadelphia's premier science museum and a monument to American innovation. Home to the legendary Baldwin 60,000 steam locomotive, where kids can climb into the cab of a 1920s engineering giant and see the mechanics of steam power.

## Key Facts
- **Type**: activity
- **Address**: 222 N 20th St, Philadelphia, PA 19103
- **Website**: https://www.fi.edu/
- **Hours**: 9:30 AM - 5:00 PM (Daily)
- **Entry**: Approx $25 adults, $21 children.
- **Price tier**: moderate

## Family Amenities
- Baldwin Steam Locomotive
- The Giant Heart
- Planetarium
- Science Park
- Accessible Ramps

## Insider Tips
The Locomotive is actually on a cutaway floor so you can see the under-chassis. For kinetic fans, the Sir Isaac Newton gallery—with its pulleys and gravity-defying physics toys—is the mandatory second stop.


## Sources
- [The Franklin Institute - Locomotive Exhibit](https://www.fi.edu/en/exhibits-and-experiences/hamilton-collections-gallery)

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Source: Outline Travel. Last verified: 2026-04-07.
Permanent URL: https://outline.travel/destinations/global-gems/franklin-institute/