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.

Located on the banks of the Danube, Spitz an der Donau is a charming market town in Austria's Wachau valley. Occupied since Celtic times, Spitz offers spectacular views of the Danube valley.

Abundant treasures for vacation enjoyment await visitors of all ages in the picturesque central California beachside community of Pismo Beach. Whether you enjoy a romantic walk along the beach, a challenging ride on a all-terrain vehicle through the sand dunes, sporting activities which suit enthusiasts of all levels or just plain fun, Pismo Beach has it all. Located midway between San Francisco and Los Angeles, Pismo Beach is in the center of some of the state's most beautiful coastline.

Philippines capital located in the South China Sea. Fort Santiago and Baroque church San Agustin are among the city's attractions.

Aalborg is the fourth largest city in Denmark and constitutes a natural center for the North Jutland region. In addition Aalborg is Denmark's largest conference center, outside Copenhagen. Aalborg has many cultural attractions which appeal to a wide variety of tastes; a varied night-life and more than 300 restaurants, bars and clubs.