Zamek w Oporowie

The Warsaw radio mast was the world's tallest structure until its

Miejski Ogród Zoologiczny w Płocku został założony w 1951 roku, na p

The Collegiate church of St. Mary and St. Alexius in Tum is a

Lâu đài của Công tước Masovia ở Płock là một tòa lâu đài theo kiến tr

Bolesław III the Wrymouthed Monument in Płock (polski. Pomnik B

The Temple of Mercy and Charity (polski. Świątynia Miłosierdzia i Mi

The Łęczyca Royal Castle is a medieval castle situated in Łęczyca, Pol

Nieborów Palace is a palace in Łowicz County, Łódź Voivodeship, in c

Tsarevets (Bulgarian: Царевец) is a medieval stronghold located on a h

Tustan  was a Medieval cliff-side fortress-city and customs site of

The Rock of Cashel (Gaeilge. Carraig Phadraig), also known as Cashel

Rumkale was a powerful fortress on the river Euphrates, 50 km

Hammershus is Northern Europe's largest medieval fortification,