In 1992 he received his tour guide license from the Central Park Conservancy.

If three hours on a bus is too much, find one of the many cab drivers with a tour guide license and negotiate a shorter trip.

He took the New York City tour guide license exam, a four-hour, multiple-choice written test of one's knowledge of the city.

"Show me your tour guide license," said Lt. Michele Galante, 60, sporting sunglasses and opening his jacket to flash a badge.

"We're licensed tour guides," said Logan, who added that he practiced law for 30 years before retiring, taking a course in the city's history and obtaining a tour guide license and deciding to drive a carriage.