Sognefjord, the longest and deepest fjord in Norway, has several hidden cave systems just waiting to be explored. Divers can ...

The Canary Islands feature the world's third-largest volcano and the largest natural underwater lava tunnel ... located inside the volcanic tunnel, are natural caves that are open to visitors ...

Underwater cave diving is a thrilling adventure for those looking to explore beneath the surface. These caves provide an ...

Sunny Jim's Sea Cave in the La Jolla neighborhood of San Diego, California, has been an ocean destination for 123 years.

Conservation Florida has now initiated the land swap with Southwest Georgia Oil Company, paving the way to relocate the gas ...

In the south of Denmark a mega project is underway to build a tunnel under the Baltic and providing a link to Germany. It's currently Europe's biggest construction site and the world’s longest ...