Explore the
connected world

Museum of Global Communications

Museum of Global Communications

Discover a museum experience that explores the amazing story of our connected world, and how a tranquil valley in Cornwall became host to the past, present and future of worldwide communications.

What’s on at PK

PK Stories

PK Porthcurno at Cornwall Pride 🏳️‍🌈

At the end of August, we had a wonderful time at Truro History Pride. We really enjoyed sharing our secret code activity, talking about the history of global communications, and meeting lots of friendly people. 

PK Porthcurno ViewpointLatest News

The Escape Stairs have Reopened!

Due to swallows nesting in our escape stairs, the museum tunnels have been closed to the public. We’re happy to update you that the brood has left the nest and the Escape Stairs have reopened. We apologise for any inconvenience this may have caused during your visit.

GCHQ Watcher of the SkiesEvents and Exhibitions

GCHQ: Watcher of the Skies

PK Porthcurno, Museum of Global Communications has partnered with intelligence, cyber and security agency GCHQ for a new exhibition called ‘Watcher of the Skies’ which tells the fascinating story of a secret communications site on an exposed Cornish headland.

Plan your visit

Make the most of your experience at PK Porthcurno with our handy guide. Find out opening times, how to find us and more.

The PK Experience

Explore the science that made global communications possible, from the first undersea telegraph cables brought ashore at Porthcurno 150 years ago to the fascinating world of fibre optics. Discover how today’s digital communications are changing the world forever.

Porthcurno Valley

Porthcurno, or ‘PK’ as it is known in telegraphic code, owes its unique heritage to the arrival of the first undersea telegraph cable in 1870. Learn more about PK’s extraordinary story and discover what else this amazing valley has to offer.




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visitor experience



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