This cobblestoned, glass-covered Victorian-era market built in 1881 now houses upscale retail shops
A fabulous, inexpensive lunch spot atop tombstones in the crypt of St. Martin-in-the-Fields church on Trafalgar Square
A 380-year-old market with more than 30 places to eat all manner of delicious and inexpensive food
A lovely courtyard garden spot for lunch or afternoon tea amid the 18th century splendors of the Wallace Collection museum
Harrods of London installed a novelty in 1898: the world's first true escalator (to be fair, an inclined moving belt with metal bars for traction did make its debut two years earlier on Coney Island). The oddness of a moving staircase so unnerved many shoppers that employees were stationed near it with smelling salts and cognac to help revive those overcome with fear.