4. Museo del Canal Interoceánico
- Finest French Neo-classical architecture in Casco Viejo
- 1875 – Built as Gran Hotel
- 1881 – Converted into Canal Headquarters by the French
- 1904 – US headquarters for the canal
- 1910 – Building surrendered to Panama who used it as the National Post Office
- 1997 – Became the Panama Canal Museum
- Displays are in Spanish and English. A well organised audio tour is available for a small fee
- The displays tell the story of both the French and American efforts to build the canal, and throw in a little bit of pre-Columbian and Spanish colonial history at the beginning
- Website here
Note that there is very little information about Noriega and the 1989 US invasion