Blenheim Palace named in the Top 20 most visited world heritage sites, a new poll has revealed.

A survey by Sykes Cottages found that the palace in Woodstock was the 13th most visited landmark in the country.

It found that 15 per cent of more than 2000 Brits quizzed had visited the site.

The Tower of London was named as the most visited World Heritage Site, visited by 42 per cent  of those polled, followed by the City of Bath 32 per cent and Stonehenge 31 per cent.

Tom Lowes, Head of Online Marketing at Sykes Cottages, said: “It’s easy to forget how lucky we are to have so many sites of natural beauty and historical importance on our doorstep.

"It’s staggering that a huge one in ten Brits have never visited one of our National Parks; whether you’re looking for a country stroll, a good hike or even just to sit quietly in a pub and take in the view, they truly have something for everyone."

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Top 20 UNESCO World Heritage Sites

1. Tower of London 42%

2. City of Bath 32%

3. Stonehenge 31%

4. Palace of Westminster and Westminster Abbey 24%

5. Dorset and East Devon Coast 21%

6. Old and New Towns of Edinburgh 20%

7. Maritime Greenwich 20%

8. The Forth Bridge 18%

9. Durham Castle and Cathedral 18%

10. Canterbury Cathedral 17%

11. Royal Botanic Gardens Kew 17%

12. Ironbridge Gorge 16%

13. Blenheim Palace 15%

14. Liverpool – Maritime Mercantile City – 15%

15. Frontiers of the Roman Empire (inc Hadrian’s Wall) 13%

16. Cornwall and West Devon mining landscape 11%

17. Giants Causeway 11%

18. Avebury and Associated Sites 11%

19. Castle and Town Walls of King Edward in Gwynned 11%

20. Saltaire 9%