2.8K views · 136 reactions | Today is our 246th birthday! And to celebrate, we're taking you on a tour of our exhibit at the National Postal Museum in Washington, DC and reviewing our rich and important history. For more information, visit us at www.uspis.gov. #USPIS #Celebrate | U.S. Postal Inspection Service | Facebook

Explore interactive exhibitions and climb aboard our miniature train for an immersive underground postal adventure only available at The Postal Museum. | The Postal Museum | Facebook

Entertain the whole family this festive season at The Postal Museum. Explore interactive exhibitions together, and climb aboard our miniature postal train for an immersive underground adventure with a festive twist. | The Postal Museum

36 reactions · 4 comments | Entertain the whole family this February half term at The Postal Museum. Explore interactive exhibitions together and climb aboard our miniature postal train for an immersive underground adventure. | The Postal Museum | Facebook

50K views · 11K reactions | Visiting The Postal Museum in London...

Ride through London’s hidden 100-year-old postal railway at The Postal Museum🚂 Deep beneath the streets of London, you’ll find a secret underground train called the Mail Rail, where visitors can explore the city’s hidden postal railway and discover the fascinating history of London’s postal service. Jump onboard the miniature train and travel through original tunnels and abandoned platforms, and enjoy interactive exhibits that bring more than 100 years of postal engineering to life. Have you go