Nestled in the heart of Provence, Aix-en-Provence is a city that enchants with its blend of historical charm and vibrant modernity. Founded by the Romans in 123 BC, Aix-en-Provence, often simply called Aix, is renowned for its stunning architecture and rich cultural heritage.

Sapporo, (säp-pô´rô), capital of Hokkaido prefecture, SW Hokkaido, Japan. One of Japan's most rapidly growing urban centers, Sapporo is famous for its annual snow festival. It was the site of the 1972 winter Olympics.

Hidden in the northern region of Costa Rica, the Celeste River (Río Celeste) winds through Tenorio Volcano National Park with a color so vivid it seems unreal. The river’s striking turquoise hue is caused by a natural chemical reaction between two mineral-rich streams, Quebrada Agria and Río Buena Vista, which merge at a point known as "El Teñidero." This one-of-a-kind phenomenon creates the illusion that the water has been dyed blue, even though no pigments are present.

Merzouga, a small village located in southeastern Morocco, is the gateway to the stunning Erg Chebbi dunes, one of the most iconic desert landscapes in the world. These towering sand dunes, which can reach heights of up to 150 meters (492 feet), offer an unparalleled opportunity for adventure and exploration. The contrast between the golden sands and the clear blue sky creates a breathtaking panorama that is perfect for photography and desert excursions.

Freiburg was founded by the Dukes of Zähringen in 1120, and the layout of streets and squares of the rapidly prospering metropolis is still impressively reflected in today's cityscape.