The Lookout may not be the highest viewing gallery in London or the most extravagantly decorated, but it is a godsend for spontaneous travellers. Indeed, while visitors to the Sky Garden are required to book their tickets weeks in advance, those who favour its “inferior” neighbour can reserve a space on the day or even rock up unannounced.

To access the Lookout, simply walk into the building at 8 Bishopsgate, go through security and take a lift up to the 50th floor. Here, you’ll be able to enjoy sweeping views of London’s most famous landmarks: Tower Bridge, the Shard and St. Paul’s Cathedral, to name just a few. Acrophobes might want to give this place a miss. Floor-to-ceiling windows don’t, after all, leave much to the imagination. Photographers and adrenaline junkies, on the other hand, should set aside at least half an hour to make the most of the experience.

Afterwards, head back down to the ground floor and enjoy a drink and a sweet treat at the Corner Café.