The Royal Horseguards Hotel on London's Embankment was home to MI6's headquarters during the First World War. The Royal Horseguards Hotel One of London's most exclusive five-star hotels, The Royal Horseguards Hotel was recently named a "Recommended Hotel" by Forbes Travel Guide for the second year in a row.

In addition to being an award-winning hotel, it has a fascinating history as the former home and office of the first MI6 chief, Sir Mansfield Cumming.

Cumming lived in the 19th-century building adjoined to the hotel between 1911-1921, while the Secret Intelligence Bureau used the building as its headquarters during the First World War.

The lavish five-star hotel on London's Embankment has 282 bedrooms (with prices starting at £183 for a deluxe double room) and five extravagant suites with breathtaking city views, as well as a critically acclaimed restaurant, swanky cocktail bar, a terrace overlooking the Thames, and more.

Take a look inside the hotel below.