Its legacy as the former imperial capital of Vietnam is just one of many reasons to visit Hue. For more than a century, the emperors of the Nguyen dynasty (1802-1945) ruled from the Forbidden Purple City, the innermost enclosure of the citadel. Today, this complex is designated as a UNESCO World Heritage site and draws millions of visitors each year.

Karnak Temple is a huge, open air complex and, after the Giza Pyramids, the second most visited historical place in Egypt. The largest religious building ever constructed, it sits on 200 acres—a true wonder of the world. Decayed pylons, chapels and temples make up this unmissable historical attraction near Luxor.

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.

Bulgaria is a republic in southeastern Europe. The capital and largest city is Sofiya. Bulgarian culture has been influenced successively by Byzantine, Greek, Russian, and Western cultures.

Poznań is one of Poland’s major cities and the historic capital of the Greater Poland region, set on the Warta River. Its identity is closely linked to the beginnings of the Polish state, while its modern character reflects its importance as a center for business, education, culture, and trade fairs. The Old Market Square forms the heart of the historic center, with colorful townhouses surrounding the Renaissance Town Hall.