Bartolomeo Bon sculpted the four cardinal virtues and a man with a funny hat kneeling in front of a winged lion above this building's [*] Porta della Carta, which leads to a stairway flanked by sculptures of Mars and Neptune, called the Giants' Staircase.
A clock inside a ring of reddish-orange marble is flanked by decorative Corinthian columns and overlooks this building's courtyard. This building's construction was delayed 110 years because its architect, Filippo Calendario, was executed for treason. Bartolomeo Bon sculpted the four cardinal virtues and a man with a funny hat kneeling in front of a winged lion above this building's [*] Porta della Carta, which leads to a stairway flanked by sculptures of Mars and Neptune, called the Giants' Staircase. This building's lead roof lent its name to the Piombi prison, and it was connected to the New Prison by the Bridge of Sighs. For 10 points, name this building on the Grand Canal that housed the ruler of the Most Serene Republic of Venice.
A clock inside a ring of reddish-orange marble is flanked by decorative Corinthian columns and overlooks this building's courtyard.
Doge's Palace [or Palazzo Ducale]