This week's challenge

This week we are looking for a famous place in the UK. Read the clues below. Can you give me the name of this place?

CLUES
1. It is really, really old (1930 - 1600 BC).
2. Some people believe it could be a burial ground.
3. Some of the stones were brought from nearly 200 miles (almost 322 kms)  away.
4. They are known as "ringing rocks".
5. It attracts more than a million visitors a year.
6. It stands on Salisbury Plain, in Wiltshire.