11) How many feet tall is the Monument in London?
12) When did Queen Elizabeth II become Queen of the United Kingdom?
13) Who designed the Houses of Parliament?
14) What is the name of the oldest pub in London?
15) What is the name of the longest river that flows through London?
16) What year was the Great Fire of London?
17) What year was the first London Underground line opened?
18) What is the oldest surviving building in London?
19) Who founded the British Museum in 1753?
20) What street is the headquarters of the Bank of England located on?