Wellington boasts a compact downtown area that’s easy to explore on foot and a wealth of architectural styles, from 19th-century wooden cottages to Art Deco masterpieces. Discover the city’s Maori roots at the Museum of Wellington City & Sea and the Museum of New Zealand. Sip coffee and people-watch in lively Courtney Place, or survey the city from scenic Mount Victoria. When the sun goes down on Windy Wellington, take a nocturnal tour of Karori Wildlife Sanctuary to meet some colourful inhabitants.

Bubbling mineral springs and pools promise maximum relaxation in Rotorua, on New Zealand's North Island. Therapeutic hot mud pools, dramatic geysers and a buried village are within easy reach of the city. What happens in the bubbling mud geysers of "Rotovegas"—the area at the top of Fenton Street—stays in Rotovegas. Once you've made the most of the mud, soar nearly 2,000 feet on the Skyline Gondola for views of Lake Rotorua, then zip back down to explore the lake by paddle steamer, fishing charter or WWII amphibious vehicle.

European, Polynesian, Asian and strong Maori heritages give the Auckland its distinctive culture. Discover the history of the world's largest Polynesian city through Maori treasures at Auckland Museum and experience the lives of 19th-century settlers at Howick Historical Village. Find Polynesian handicrafts at Otara Market or people-watch in bustling Ponsonby and Parnell. Adventure junkies can get their fix from kayaking, sailing and high-octane bungee jumping.

If you long to explore New Zealand’s beautiful Bay of Islands, Paihia makes a wonderful base. Known as “the Jewel of the Bay Islands,” this seaside town has golden beaches, lovely coastal walking trails and waterfalls, and a colorful population of local birds. Paihia also holds an important role in the country’s history. It was here, after a century of conflict between indigenous Maori tribes and Western settlers, that peace was finally made and the groundbreaking Treaty of Waitangi was signed.

City slickers, culture vultures and beach bums alike fall in love with Sydney. Hang ten at famed Bondi Beach or stroll the calmer sands of Coogee.  Cash burning a hole in your pocket? You’ll find great shopping in the Rocks district and along George and Pitt Streets. Climb to the top of the Harbour Bridge or take a skywalk on Sydney Tower for a 360-degree view of the city. But whatever you do, don’t leave town without cuddling the koalas in the Taronga Park Zoo—they’re ridiculously adorable.

Sun-drenched and built for fun, Australia's Gold Coast hugs Queensland's southeast coastline with beaches, shimmering high rises, and epic surf breaks. Though it's hedonistic at heart, there's also plenty of opportunities for adventure and family-friendly attractions beyond its well-known party scene.

Lovely, laid-back Melbourne has something for everyone: family fare, local and international art, haute boutiques, multicultural dining, Australian and Aboriginal history, spectator sports, and pulsing, swanky nightlife. Cruise on the free City Circle Tram loop to check out unique attractions like the Royal Botanical Gardens and the Healesville Sanctuary, which buzzes with local animal species.

Cairns is the perfect city for merry revelers, passionate divers and adrenaline junkies, offering booming nightlife and heart-pounding adventure amid a vibrant, tropical setting.  This friendly Queensland city of 130,000 is a gateway to the Great Barrier Reef, Daintree National Park, Cape Tribulation, Cooktown and the rest of Cape York Peninsula. Embark on an eco-adventure or take a dip in a lagoon pool before hitting the town to unwind and shake what you’ve got Down Under.