Swim under the great natural arch of Durdle Door, which juts out imposingly towards the sea and is approximately 140 million years old. Breathe in the salty sea air, of Weymouth beach, savour a delicious dish of fish and French fries, and snap photos of the coastline as you stroll along the boardwalk that runs along the curve of this beach. At Corfe Castle admire reenactments of battles taking place among medieval ruins and learn about the role this fort played in the English Civil War.