Letychiv Fortress is a complex of limestone

Limestone

Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....

 walls built in 1598 by Jan Potocki to defend Podolia

Podolia

The region of Podolia is an historical region in the west-central and south-west portions of present-day Ukraine, corresponding to Khmelnytskyi Oblast and Vinnytsia Oblast. Northern Transnistria, in Moldova, is also a part of Podolia...

 from the regular raids of the Crimean Tatars

Crimean Tatars

Crimean Tatars or Crimeans are a Turkic ethnic group that originally resided in Crimea. They speak the Crimean Tatar language...

. The north-western tower, the eastern wall and parts of the southern wall still stand in the town of Letychiv

Letychiv

Letychiv is a town in the eastern part of Khmelnytskyi Oblast of western Ukraine. 51 km from Khmelnytskyi and 33 km from the railway station Derazhnya. Administrative center since Tsarist times, formerly in Podolia Province. Population: 11,081 inhabitants . There are brickworks, dairy,...

, Ukraine

Ukraine

Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

. The most prominent feature on the grounds of the fortress is the Baroque

Baroque

The Baroque is a period and the style that used exaggerated motion and clear, easily interpreted detail to produce drama, tension, exuberance, and grandeur in sculpture, painting, literature, dance, and music...

 church of the Assumption

Assumption of Mary

According to the belief of Christians of the Roman Catholic Church, Eastern Orthodoxy, Oriental Orthodoxy, and parts of the Anglican Communion and Continuing Anglicanism, the Assumption of Mary was the bodily taking up of the Virgin Mary into Heaven at the end of her life...

 (1606-1638, rebuilt 1724). There's also a statue of Ustym Karmaliuk

Ustym Karmaliuk

Ustym Yakymovych Karmаliuk was a Ukrainian peasant outlaw who became a folk hero. He is often referred to as the "Ukrainian Robin Hood" and "the last Haydamak".-Early Age:...

, a rebel leader buried at Letychiv. During World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, the castle served as a notorious slave labor camp.