Apart from the physical beauty that Leros offers the visitor, there are also plenty of activities for entertainment. There are museums that one can visit (such as the archaeological museum, the folklore museum and the Panagia tou Kastrou museum).
There are also many archaeological sights which are of interest, such as the castle above Agia Marina, the old castle with its cyclopean walls, Lakki with its unique architecture and the Italian fortifications ( batteries etc). At Gourna the picturesque little church of Agios Isidoros can be found.
At Platanos and Agia Marina there are many neoclassical two storied houses, at Alinta there is the Patriarheio and the Mpeleni Tower which now houses the museum of “ Manolis Isihos”. Churches also worthy of note are Agia Paraskevi and Evagelistria.