Located in the Pacific Ocean 900 miles (1,448 kilometers) off the coast of Chile, the seamount is 1.9 miles (3,109 meters) ...

This article was produced by National Geographic Traveller (UK).

Oceanographers from the Schmidt Ocean Institute in California recently mapped a massive underwater mountain in the Pacific ... Burj Khalifa and taller than Mount Olympus in Greece.

There are opportunities to don a mask and flippers and snorkel over an ancient submerged city; to climb Mount Olympus ... of its Peloponnese mountain range. Created during a 1960s hydroelectric ...