You will never forget this incredible "Camelot," from the towers of which, on a clear day, you can see forever across the placid Adriatic. It's also a mecca for philatelists.

Tarascon, on the east bank of the Rhone River, is best known for its medieval appearance and historical edifices. Collegiate Sainte-Marthe (St Martha's Collegiate Church) was built in the 12th century in honor of the city's patron saint, St. Martha. Nearby, the castle of King René stands right on the banks of the Rhône.

Flinders Island is the largest island in the Furneaux Group, located in Bass Strait between mainland Australia and Tasmania. Covering a landscape of rugged mountains, rolling farmland, white-sand beaches, and granite headlands, it is known for its remote character and rich natural environment.

Often called the Eternal City, Rome stands alone as Italy's most visited destination. The third most populated city in the European Union, Rome boasts ancient sites, yet has a modern flair — an exhilarating mix of the Old World and the new.

Located roughly in the center of the country, Riobamba is one of Ecuador's largest cities and the starting point of the scenic train ride to Nariz del Diablo (Devil's Nose). The city has a strong indigenous presence, which lends itself well to the open-air artisan market, and plenty of opportunities for mountainous activities such as hiking and mountain biking.