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Hidden Gems & Holy Ruins

Delve into the Square Mile’s ancient past through these significant archaeological sites and architectural remnants. This collection highlights the London Mithraeum, a reconstructed 3rd-century Roman temple, and the enigmatic London Stone, a limestone relic housed on Cannon Street. Discover the atmospheric ruins of St Dunstan in the East, where gothic arches and ivy-clad walls form a public garden amidst medieval church remains. These historic sites are anchored by St Paul’s Cathedral, Christopher Wren's baroque landmark rebuilt after the Great Fire of 1666.

Oxyman / CC BY-SA 2.0

A

Temple of Mithras

The London Mithraeum, also known as the Temple of Mithras, Walbrook, is a Roman Mithraeum that was discovered in Walbrook, a street in the…

PAUL FARMER / CC BY-SA 2.0

B

St Dunstan in the East Church Garden

Remnants of a medieval church which was largely destroyed during the WWII.

Dirk Ingo Franke / CC0

C

St Dunstan in the East

St Dunstan-in-the-East was a Church of England parish church on St Dunstan's Hill, halfway between London Bridge and the Tower of London in…

Public domain

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The London Stone

London Stone is a historic landmark housed at 111 Cannon Street in the City of London.

Diliff / CC BY-SA 3.0

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St Paul's Cathedral

Baroque Anglican cathedral known for its impressive dome and historic significance. It functions as both a place of worship and a major sightseeing site with access to its crypt and galleries.