Kos, an enchanting island in Greece’s Dodecanese archipelago, is a gem steeped in both history and natural beauty. Known as the birthplace of Hippocrates, the father of modern medicine, Kos is home to the ancient Asclepeion, a healing temple where Hippocrates taught his students. Visitors can wander through the well-preserved ruins and enjoy sweeping views over the island and the Aegean Sea.

Basel is the global center of the pharmaceutical industry, but most travelers visit for the world-famous ART Basel festival, as well as the numerous art galleries, iconic architecture and museums.

Vang Vieng, nestled along the banks of the Nam Song River in central Laos, is an adventurer's paradise surrounded by stunning limestone karsts and verdant landscapes. Known for its laid-back atmosphere and natural beauty, this small town has transformed from a backpacker haven into a more sophisticated destination offering a mix of adventure, relaxation, and cultural experiences.

You'll know why picturesque Grenada is known as the "spice island" when you notice the scent of nutmeg, vanilla and cocoa in the air. Grenada's waterfalls, lush rain forests, volcanic crater lake, tiny villages, cocoa, nutmeg and banana plantations, rum distilleries, scenic hiking trips, pristine coral reefs, and hidden-away unspoiled beaches all make Grenada one of the most popular ecotourism destinations for those who like to discover off-the-beaten-track natural beauty and charm.

Saudi Arabia is an Arabian Peninsula country, with a coastline running along both the Persian Gulf and the Red Sea. Tourism in Saudi Arabia might involve seeing the amazing city of Riyadh, the temples of Madain Saleh, Jubbah's rock art, and the immaculate waters of the Red Sea.