Visit Moroni

Learn Modern Standard Arabic and its unique script

Snorkel coral lagoons, climb Karthala volcano, and savor spices of the Comoros

Visit Amsterdam, capital of the Netherlands. Cruise the UNESCO-listed canal ring (17th-century waterways with over 1,500 bridges), see masterpieces by Rembrandt and Vermeer at the Rijksmuseum, explore the Anne Frank House (historic hiding place during WWII), and wander the Jordaan district (picturesque streets with cafes and boutiques).

Visit Barcelona, capital of Catalonia in Spain. See the Sagrada Familia (Antoni Gaudí's unfinished basilica with intricate facades and towering spires), stroll down La Rambla (tree-lined pedestrian street with street performers and La Boqueria market), explore Park Güel (Gaudí's whimsical public park with mosaic-covered structures and city views), and admire the Gothic Quarter (medieval streets with the Barcelona Cathedral and Roman ruins).

Visit Bangkok, capital of Thailand. Explore the Grand Palace (home of the Emerald Buddha and intricate Thai architecture), take a boat ride along the Chao Phraya River (passing temples and local life), shop at Chatuchak Weekend Market (one of the world's largest markets with over 15,000 stalls), and sample street food like pad thai and mango sticky rice at Yaowarat (Chinatown's vibrant food scene).

Visit Bali, Indonesia's famous island known for its vibrant culture and natural beauty. Explore the Uluwatu Temple (a sea cliff temple with traditional Kecak dance performances at sunset), see the Tegallalang Rice Terraces (stunning UNESCO-listed stepped rice paddies), relax at Kuta Beach (popular for surfing and sunsets), and visit the Sacred Monkey Forest Sanctuary in Ubud (home to hundreds of long-tailed macaques and ancient temples).

Visit Antwerp, a historic port city in Belgium. Explore the Cathedral of Our Lady (home to four Rubens masterpieces and a 123-meter Gothic spire), stroll through the Grote Markt (Renaissance town hall and guildhalls), see the MAS Museum (riverfront building with panoramic views and maritime collections), and try local dishes like stoofvlees (beef stew) and Antwerpse handjes (almond cookies).

Visit Agra, a historic city in Uttar Pradesh, India. See the Taj Mahal (a white marble mausoleum built in the 17th century by Mughal emperor Shah Jahan), explore Agra Fort (a UNESCO World Heritage site with red sandstone architecture and Mughal palaces), and visit Fatehpur Sikri (a nearby Mughal city with well-preserved monuments like the Buland Darwaza).