Vijaydurg Fort
The fort was built by Raja Bhoja of the Shilahar dynasty.It was later captured and renamed Vijaydurg by Adil Shah of Bijapur. Also called the Victory Fort , Vidyadurg is also known for its contribution to the discovery of helium by the English scientist sir Norman Lockyer.
The fort is located on the mouth of the river Vaghotan which separates the districts of Ratnagiri and Sindhudarg.