Quark Expeditions 2024-2025 itineraries for the expedition cruise ship World Explorer include homeports and ports-of-call with dates and times. Find out where the ship is sailing and its future deployment with exact arrival and departure times. To track port activity or see when the ship intersects with other vessels, we have included a separate column, "Ships in Port." The following monthly cruise ship calendar is updated frequently using the official itineraries released by the cruise line. You can also download a full year-round itinerary of the ship at the end of this page in PDF format. This file is intended for the cruise ship crew and their families to keep track of the ship’s itinerary.