| Cromwell's Castle - Isles of Scilly 17th-century round tower positioned on a rocky promontory guarding the anchorage between Bryher and Tresco. more info... |
| Garrison Walls - Isles of Scilly Extensive defensive walls and earthworks dating back to the 16th century more info... |
| Harry's Walls - Isles of Scilly 16th-century fort built over St Mary's Pool harbour, but never finished more info... |
| King Charles's Castle - Isles of Scilly Remains of castle built for coastal defence on the north side of Tresco more info... |
| Tresco Abbey Gardens - Isles of Scilly 'A perennial Kew' - home to 20,000 exotic plants with species from 80 countries, ranging from Brazil to New Zealand and Burma to South Africa more info...  |
Attractions in Isles of Scilly
