Culture, dining and nightlife are just a few of the reasons to find yourself in sunny Brisbane. This sprawling, constantly-evolving river city is for the young and the young at heart. Shop at the outdoor markets, where you'll find fashion, crafts and produce. Beaches are the order of the day here, too, with North Stradbroke Island and Moreton Island attracting hordes of sunbathers.

The Cook Islands, a group of 15 islands scattered across the South Pacific, offer a rare blend of Polynesian tradition and laid-back island charm. Rarotonga, the largest and most visited island, is ringed by a turquoise lagoon and backed by lush mountains. Visitors can circle the entire island in under an hour, stopping along the way for fresh coconut, beachside cafés, or a quick swim in the clear lagoon.

Lucca, a Tuscan city surrounded by remarkably intact Renaissance walls, offers more than just postcard views. Known for its quiet streets and grand piazzas, Lucca stands apart with its circular street layout, still following the lines of a Roman amphitheater from centuries ago. The walls, now repurposed as a 4-kilometer tree-lined park, are a favorite route for locals and visitors who explore them on foot or by bike, passing old bastions and panoramic viewpoints along the way.

Located on the banks of the Danube, Spitz an der Donau is a charming market town in Austria's Wachau valley. Occupied since Celtic times, Spitz offers spectacular views of the Danube valley.

Alghero, located on the northwest coast of Sardinia, Italy, is a seaside city that blends history, culture, and natural beauty.