Great Barrier Reef - EXCLUSIVE USD$150 ONBOARD CREDIT*

Considered one of the most cosmopolitan cities in the Southern Hemisphere, Sydney offers just about anything-from beaches and wineries to stunning landmarks and world-class shopping. Tour architectural marvels like the Sydney Opera House and the Sydney Harbor Bridge, view life below the surface from Sydney Aquarium's underwater walkways, or take it all in from above on a tour of the Sydney Tower.

Day at sea - enjoy the ship's amenities and relax as you cruise to your next destination.

One of the best departure points for excursions to the Great Barrier Reef, Airlie Beach is extremely popular with backpackers, yachtsmen and other lovers of the tropical lifestyle. Sailing among the calm, protected waters of the Witsunday Islands is a must-do on the wish lists of many travelers. Charming shops, exhilarating skydives over the shoreline, and everything in between is going to make this a memorable visit.

Enjoy a second day to explore.

Cairns is located in tropical North Queensland. To the north, west, and south, it is surrounded by lush, tropical rainforest. Apart from being the gateway to magnificent natural attractions, this waterfront city offers an abundance of possibilities, including the opportunity to safely spot crocs.

In tropical North Queensland, surrounded on three sides by lush rainforest, your Cairns cruise makes the perfect launchpad for excursions to the Great Barrier Reef. This reef is the largest living thing on the planet—so big you can see it from space—but it's made up of billions of tiny organisms known as coral polyps.

Cruise to Port Douglas and you'll find a miraculous blend of coral reefs and subtropical rainforest, which means it's an easy destination to find fun things to do in nature. For the beachy and the active, sunbathing on Four Mile Beach or diving the Great Barrier Reef awaits. For the athletic traveler, head into the heart of Daintree Rainforest to hike, zipline, or simply enjoy the beauty of the jungle. Stop in at the Wildlife Habitat for the chance to see koalas, kangaroos, and other native Australian species. Of course, Port Douglas isn't all natural beauty. It's also a popular resort and marina town where travelers can enjoy life's simple pleasures, from a plate of freshly shucked oysters straight from the marina to a dip in a glittering five-star resort pool. On cruises, Australia makes for an ideal destination for every energy level. During your time in port on Port Douglas cruises, you'll see a brand new side of Queensland, Australia.

The only humans that make their home on this tiny island-just 1,600 feet long and 490 feet wide-are meteorologists manning a weather monitoring station. From the ship's deck you'll see thousands of seabirds such as Boobies, wedge-tailed shearwaters and sooty terns. Other highlights include a nearby coral reef and turtle nesting ground.

Day at sea - enjoy the ship's amenities and relax as you cruise to your next destination.

Day at sea - enjoy the ship's amenities and relax as you cruise to your next destination.

Disembark your cruise.