The capital and largest city in Hungary, Budapest is a favorite European destination for millions of tourists each year. Once the center of the Austro-Hungarian Empire, this cosmopolitan city and UNESCO World Heritage site has plenty of historical and cultural landmarks to explore.

Saudi Arabia is revealing chapters long unseen by tourists. Al-Ula is home to Hegra, the first UNESCO World Heritage Site in the kingdom and hosts to ancient Nabatean tombs carved in sandstone cliffs. Nearby, the mirrored Maraya Concert Hall reflects the desert sky, its design both unexpected and elegant amid the sands. Visitors can wander through narrow canyons, step inside rock-hewn facades, and feel the weight of ancient civilizations still echoing across the dunes.

Loch Lomond, the largest lake in Great Britain by surface area, sits at the gateway to the Highlands and offers visitors a wide variety of ways to explore its islands, waters, and surrounding hills. Stretching over 22 miles and dotted with more than 30 islands, the loch has long been a source of inspiration for poets, musicians, and travelers.

Les Saintes (also known as Iles des Saintes) are perfect for the kind of traveler who relishes unspoiled tropical beauty and the serenity that comes from doing next to nothing on a vacation, but doing it à la française.

A charming city nestled on the banks of the Rhine, Mainz, Germany lies southwest of Frankfurt and is replete with historic buildings and famous museums. The city's Altstadt district meets the river's edge and boasts a variety of beautiful and fascinating landmarks.