What is the official designation of the building visible from the Morpeth Arms in a manner enabling spying?
Morpeth Arms The Morpeth Arms is a public house at 58 Millbank, in the Pimlico district of London. It was built in 1845 to refresh prison warders serving at the Millbank Penitentiary. It now contains a Spying Room which provides a good view of the headquarters of the Secret Intelligence Service across the river. The building is listed as Grade II and it is now part of the Young's estate.
The Castle (Saint Helena) The Castle is the main government building of the British Overseas Territory of Saint Helena, Ascension and Tristan da Cunha, located in Jamestown on the island of Saint Helena. A Grade I-listed building, the oldest parts of the complex date to 1708, but it was largely reconstructed in the 1860s because of termite damage. It does not have the appearance of a typical castle, though historically the site was part of the East India Company fortifications of Jamestown.