Some of these species fall into the realm of strange animals, while others are extraordinarily colorful or seemingly out of place in a freshwater aquarium.

Before the days of jetted tubs, spas, and heated pools, the only real place to soak in hot water not in your bath tub was to visit a geothermal hot spring.

Not all cities have their roots in Antiquity; here are 10 of the world's most gorgeous ancient cities.