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.

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.

There's a wealth of things to do and see in Romania with an intensive range of activities and places to visit. You can ski at traditional or purpose-built mountain resorts or laze in the hot sun on the Black Sea beaches comparable to those on the Mediterranean.

This quaint town on the Rhine is the gateway to the Black Forest and lies halfway between Freiburg and Colmar. As you walk the cobblestone streets, stop to sample local schnapps made from fermented pears or cherries and the distinctive smoky ham of this region. St. Stephan's Cathedral perches on a hillside and is the exquisite centerpiece of the town.

Located in northern Germany, Hamburg is an important commercial hub on the Elbe River and unique for the expansive system of canals which divide the city in two. Replete with fascinating architecture and scenic waterfront promenades, Hamburg offers plenty to see and explore!