Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Hi! Please come up with three fun facts about the United Kingdom.

### Response:
1. The United Kingdom is home to the oldest steam railway in the world, the Ffestiniog Railway, which opened in 1836.
2. Buckingham Palace has its own police station and a post office.
3. Stonehenge is believed to be the oldest prehistoric stone circle in the world, dating back to 3100 BC.