There is a secret tunnel believed to connect this fort with other forts.

He first encounters two bare islands with forts on them.

It is slightly unusual in this layout when compared with other forts in the area.

The bay was fortified with several forts built to prevent pirate raids or any attack from a foreign nation.

As the rich shipping was driven from the sea, the buccaneers must be taking villages, and then even towns with forts.

Westward lay the harbour with its shipping and protective forts'.

The use of steam for driving ships meant that they no longer had to slug it out with fixed forts.

The landscape of Goa is dotted with several forts.

For Mauretania there was a single wall with forts on both sides of it.

He also drew a map of the region with missions and Spanish forts.