San Juan is the vibrant, cosmopolitan capital of the island of Puerto Rico. Encompassing hundreds of years of history, the city blends Spanish-era historic sites, such as the San Felipe del Morro fortress, with modern entertainment and fashionable shopping districts. More than a million people call San Juan home, while hundreds of thousands of tourists call it their favorite place to vacation each year.

For more than one billion people worldwide, Mecca is the holiest site, revered as the birthplace of Prophet Muhammad and the city where the revelation occurred. Because of its profound religious significance, millions of pilgrims journey here every year from all corners of the globe, making Mecca one of the most culturally and ethnically diverse cities in the Muslim world — a true melting pot of peoples and cultures. Remember, that this holiest of cities, known as “Makkah”, is only accessible to Muslims.

Phoenix, the vibrant capital of Arizona, basks in a sun-drenched paradise known for its warm climate year-round, with summer temperatures often exceeding 100°F (~38°C)—the dry heat makes it more bearable though. The city is also the most populous state capital in the U.S., which translates to a richly diverse collection of cultures and activities. And perhaps most spectacularly, every drive or stroll through the city is accompanied by a backdrop of the Sonoran Desert, sandy mountain ranges, and eternal blue skies.

Brussels, a city that continues to surprise and move you. This city-region capital of 500 million Europeans is waiting to share its treasures with you. It’s a fair bet that its stormy history is the reason for its open-mindedness, warmth and friendliness. You’ll feel right at home in Brussels. As well as its historic monuments, Brussels has so much to share with you: its comic strip speech bubbles, its Art Nouveau façades, the talent of its stylists and designers, its delicacies and its surrealism, which can be found on every street corner.