Tower Bridge is practicing some slick subterfuge
Tourists may confuse the Victorian construction for London Bridge (which we know is now in Lake Havasu City, Arizona), but the Tower Bridge has nevertheless become an integral part of the London skyline. The famous upper walkways, which now require a £9 admission, were originally deserted, due to their being accessible only by stairs. After their original opening, they became a haven for prostitutes and pickpockets, and were closed in 1910.
But the bridge also practices a little sleight of hand: as you walk south from the north side of the Thames, you’ll find on the right side of the road one extra lamppost pillar... but no lamp. This is actually a chimney that feeds up from a fireplace inside a guardroom down below. Though it’s no longer in use, the chimney still blends in perfectly with its surroundings, as 40,000 people pass it every day -- and most are none the wiser.