Sea Forts

This little visited park is a treasure trove of ancient Roman ruins.

A 2,000-year-old Iron Age fort offers stunning ocean views.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

This foolish Victorian sea fort was converted to a deluxe hotel.

A castle-like sea fort from the 17th century is now a museum to oyster farming.

A man-made island fort that has housed soldiers, scientists, and ravers.

Fighting the British and making game shows for over 150 years.

Surreal riveted sea forts once protected the Kent shores from German attack.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

A nearly unconquerable island-fort in the Indian Ocean.