Explore st marks basilica without the crowds on an after hours tour and enjoy an optional visit to doges palace if you wish inside st marks basilica admire treasured mosaics and a byzantine altarpiece and then follow your guide into the crypt where st mark himself is believed to rest upgrade for late access to the doges palace and learn about the higher council hall the doges apartments and the bridge of sighs as you explore numbers are limited to 15 for a small group experience