The world / United Kingdom
United Kingdom
Capital: London
- The 30 outer sarsen stones at Stonehenge are about 4 m tall and weigh around 25 tonnes each. The large sarsen circle was placed around 2600 to 2400 BC.
- London was the first city to host three Summer Olympic Games, in 1908, 1948 and 2012.
- The Giant's Causeway has roughly 40,000 interlocking basalt columns. The rock formed about 50 to 60 million years ago.
- A 2014 study identified 26 sieges in Edinburgh Castle's history of about 1,100 years.