Door with many locks, prison, Doge's Palace, Venice, Veneto, Italy, Europe

buildings building cultural monuments cultural monument cultural sites cultural site cultures culture deserted doge's palace doors door empty entrances entrance entry europe famous place gaol gothic style gothic heritages heritage italia italy jail locking locks lock many museums museum nobody no one no people nord italia northern italy numerous palaces palace palazzi palazzo ducale palazzo place of interest prestigious buildings prestigious building prison protection regione del veneto safety security sights sight southern europe south europe the north of italy tourist attractions tourist attraction travel photography travel unesco world heritage sites unesco world heritage site uninhabited venetian venetia veneto venezia venice world heritage site