HISTORY UK: Standing at 310m high, the Shard will own the title of the EU's tallest building when completed in 2012. In 1098 the White Tower was named Britain's tallest building standing at a mere 27m tall.
The Queen's Walk (Belvedere Rd), London, Greater London
Attraction · Waterloo · 969 tips and reviews
HISTORY UK: Currently the third tallest Ferris wheel in the world (the tallest when built in 1999, but now behind Singapore and Nanchang), it moves at 0.6mph, and you can see 25 miles from the top.