Deep beneath the surface of our planet, from the Himalayas to East Africa and from the Atlantic seafloor to the Indian Ocean, ...

Historically, there have been four oceans: the Atlantic, Pacific, Indian, and Arctic. On Feb. 9, U.S. Secretary of the ...

Maps, such as the 1502 Cantino Planisphere ... "The routes that the Portuguese created to connect the continents and oceans are the foundation of the world we inhabit today." ...