 The cave, extending five kilometres below the ground and having been explored fully only up to one kilometre, has a remarkable arrangement of stalagmites and stalactites.An 11th-century church in the town dedicated to Saint Haralambos and reputedly built by Byzantine Emperor Alexius Comnenus is in a bad state of repair and is rarely open to the general public.The town lies on GR-6 between Igoumenitsa and Metsovo.