Big Ben

Escorial, a monastery and historic royal palace in Madrid province, Spain. It is 26 miles (42 km) northwest of Madrid on the eastern slopes of the… See more » Tower of London, a 900-year-old fortress in London, England, now used as a museum. The 18-acre (7.3-hectare) fortress, consisting of a number of… See more » Kew Gardens, ku, the popular name for the Royal Botanic Gardens, situated on the Thames River in London's Richmond-upon-Thames Borough. Within an… See more »