LONDON — London’s newest tourist attraction is perfect for underground explorers. It’s not ideal for the claustrophobic. A visit to Mail Rail , a subterranean train network that once carried millions ...

Subterranean London's post office railway – the historic Mail Rail – is about to be torn down and transformed into a tourist attraction. "The air has been so still down there that stalactites have ...

London's newest tourist attraction is a tiny underground train that used to carry mail for the postal service. Before it opens to the public in September, CNET went for a ride. Kent was a senior ...

This story originally appeared on Wired UK; you can see a full gallery of the wonders of the British Postal Museum & Archive there. An underground railway that was formerly used to transport post ...

Deep in the heart of London, buried beneath 70 feet of soil and concrete, lies a hidden underground railway. For almost 80 years, the UK's "Mail Rail" transported letters and parcels between the ...

In 1913, the British Post Office realized that London’s congested traffic was slowing down mail delivery and something needed to be done about it. (They are turning in their graves if watching ...

A passenger train rides through the Mail Rail tunnels that is included in the Postal Museum in London, Wednesday, July 26, 2017. London's newest tourist attraction is perfect for underground explorers ...