Located on the Rhône River, Avignon is the city to which the Popes fled when leaving the corruption of Rome in the 14th century. The palace they built, 'Le Palais des Papes,' is a breathtaking must see.

Boppard, the pearl of the Rhein, gets its nickname from the fact that it is situated on part of a horse-shoe ben in the Rhein, resembling a pearl in an oyster shell. This bend is one of the most severe anywhere on the Rhein, so much so that the town frontage faces due north while the vineyards, one the same band face due south. The bend is also known as the "bendiest bend on the Rhein."

Krabi, located on the southwest coast of Thailand, is known for its towering limestone cliffs, warm Andaman waters, and a coastline dotted with over 150 islands. One of its most iconic sites is Railay Beach, which is accessible only by boat due to the cliffs that cut it off from the mainland. Railay is famous among rock climbers for its natural limestone formations, some of which hang directly over the sea.

Heidelberg, located along the scenic banks of the Neckar River in southwestern Germany, is a city steeped in history, culture, and charm. Known for its prestigious university, which is one of the oldest in Europe, the city draws visitors with its picturesque old town, medieval architecture, and vibrant academic atmosphere.

Zagreb, the vibrant capital of Croatia, is a city where history, culture, and a youthful spirit collide in an unforgettable way. Wander through the cobblestone streets of the Upper Town (Gornji Grad) and marvel at its medieval architecture, such as the iconic St. Mark's Church, known for its colorful tiled roof depicting the coat of arms of Zagreb and the Kingdom of Croatia.