Seamounts—submarine mountains that rise from the depths of the ocean—are crucial to the creatures that undertake long sea voyages. Ocean with David Attenborough is now streaming on Disney and Hulu. | National Geographic TV

These are seamounts, underwater mountains filled with life. They are crucial to the health of marine life and support all sorts of creatures, from corals to octopuses to rockfish. Join our growing community of Wavemakers in protecting Canada’s diverse marine habitats. Add your voice to help save this breathtaking ecosystem. | Oceana Canada

Marine mammals and habitat are able to thrive in the Northeast Canyons and Seamounts National Monument thanks to the conservation efforts. Now, imagine if we could do the same across all our oceans. | NRDC

The Gorringe Seamount, 200 km off Portugal’s coast, is western Europe’s tallest underwater mountain. A recent expedition by the Oceano Azul Foundation found major threats to the region's biodiversity. | New Scientist