Fantastic modern art museum in a massive former power plant, with blockbuster exhibitions and a fab gift shop and bookstore
Pair of Hyde Park pavilions devoted to contemporary art, architecture, and design
Until the early 19th century, London did not have any hotels, only coaching inns, which looked remarkably like modern multi-story motels, the rooms opening off outdoor corridors. The last (partially) surviving coaching inn is The George Inn, though only its pub component is still active.