Kolkata, often referred to as the "City of Joy," is a mesmerizing blend of rich history, culture, and artistic heritage that makes it a must-visit destination for any traveler to India. Once the capital of British India, Kolkata retains much of its colonial-era charm with iconic landmarks like the Victoria Memorial, a stunning marble building surrounded by lush gardens, which now serves as a museum showcasing the city’s colonial and Indian history.

Situated between magnificent Mount Vesuvius and the glittering Tyrrhenian Sea, Naples is the perfect destination for history and archaeology aficionados and lovers of savory Italian eats. Marvel at the ruins of Pompeii and Herculaneum, explore the San Gennaro Catacombs, and end your day with authentic Neapolitan pizza.

Culture, dining and nightlife are just a few of the reasons to find yourself in sunny Brisbane. This sprawling, constantly-evolving river city is for the young and the young at heart. Shop at the outdoor markets, where you'll find fashion, crafts and produce. Beaches are the order of the day here, too, with North Stradbroke Island and Moreton Island attracting hordes of sunbathers.

Hilo, the charming and laid-back gateway to Hawaii’s Big Island, offers an authentic Hawaiian experience steeped in natural beauty, history, and culture. As the largest town on the east side of the island, Hilo sits at the foot of two majestic volcanoes: Mauna Loa, the world's largest volcano, and Mauna Kea, a dormant volcano that hosts some of the world's most advanced astronomical observatories.

Ol Doinyo Lengai, often called the "Mountain of God," is an active volcano located in northern Tanzania and is a must-visit for adventurous travelers. Towering over the Great Rift Valley, this majestic peak is unique due to its lava composition. Unlike most volcanoes that produce molten lava, Ol Doinyo Lengai emits natrocarbonatite lava, which is unusually cool and flows like water. This rare phenomenon makes it one of the most intriguing volcanic landscapes on Earth.

Situated on the shore of Lake Titicaca, Puno is referred to as the folkloric capital of Peru due to its artistic and cultural expressions, particularly dance. Notable landmarks include the Andean baroque-style Puno Cathedral and the Yavari, a 19th-century steamship. Products created from alpaca, llama, or sheep wool are a signature of the area, as well as musical instruments like the siku.