Celebrity Ascent: 14-Night Italy & Portugal Transatlantic

Rome's cruise port is in Civitavecchia, a working port town about 80 kilometers northwest of the city. That distance is the single most important thing to understand about this stop.

Cagliari is the capital of Sardinia, Italy's second-largest island, on the island's southern coast. The cruise port (Porto di Cagliari) sits directly at the edge of the old town, about a 10-minute walk from Piazza Matteotti and the base of the historic Castello district.

Gibraltar is a British Overseas Territory at the southern tip of the Iberian Peninsula, a 6.7-square-kilometer enclave dominated by the Rock of Gibraltar, a 426-meter limestone monolith that guards the western entrance to the Mediterranean.

Funchal is the capital of Madeira, a Portuguese island in the Atlantic Ocean about 600 miles southwest of Lisbon and 400 miles north of the Canary Islands. The island is volcanic, mountainous, and green, with a subtropical climate that keeps temperatures mild year-round.

The Royal Naval Dockyard at Kings Wharf is Bermuda's primary cruise port, set within a restored 19th-century British naval base with shops, restaurants, and the National Museum. Bermuda's famous pink sand beaches and pastel-colored houses are accessible by ferry or bus.