After this the boys looked down through a trap door, which led to a dark dungeon, where it is supposed that prisoners were sometimes confined. They rambled about the ruins for some time longer, and then they returned to the boat, and came back to the shore. When they arrived at the pier they paid the boatman his customary fee, which was about a dollar and a quarter, and then began to walk up towards the inn.
"Well, boys," said Mr. George, "how did you like it?"
"Very much indeed," said Waldron. "It is the best old castle I ever saw."
"You will like the Palace of Holyrood better, I think," said Mr. George.
"Where is that?" asked Rollo.
"At Edinburgh," said Mr. George. "It is the place where Mary lived. We shall see the little room there where they murdered her poor secretary, David Rizzio."
"What did they murder him for?" asked Waldron.
"O, you will see when you come to read the history," said Mr. George. "It is a very curious story."