We certainly did. Years ago we took a cruise to the Panama Canal on the old Zenith. We had a ship excursion booked for the dome train to the Pacific side and back, however it was canceled because not enough folks signed up. Instead we went on an excursion thru a rain forest and we had to wait while one of the passengers lay flat on the ground to film a colony of ants crossing our path. I controlled my urge to go up to the front of the line and stomp on them!