This group tour highlights the architectural and historic detail of the Alexander Hamilton U.S. Custom House. Designed by famed architect Cass Gilbert and completed in 1907, the former U.S. Custom House is a National Historic landmark. The building’s interior splendor includes an elliptical rotunda with a 140-ton dome designed by Catalonian engineer Raphael Guastavino and maritime murals by New York painter Reginald Marsh, as well as monumental arches, columns and marble inlays.