Enjoy self-guided tours of a 120-room Rhineland-style castle and yacht house built at the turn of the 20th century. The Boldt Yacht house has antique boats and a pictorial display. The castle is home to one of the saddest love stories told; wander the halls and imagine what could have been if tragedy had not struck. The castle is accessible by tour boat, water taxi and private watercraft and handicap accessible. Boldt Castle is located in the U.S. Passengers arriving by boat from Canadian ports must provide proper identification for U.S. Customs and Border Protection clearance. A Path Through History attraction.