This is expensive and time consuming so sonar maps are mostly only made of places where ships spend the most time.
Labeled map of the ocean floor.
Top 20 cathedrals on the planet.
This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level.
The following features are shown at example depths to scale though each feature has a considerable range at which it may occur.
Researchers have built a detailed map of the ocean floor s topography by using satellites to spot subtle watery lumps on the ocean s surface.
Highest towers and skyscrapers.
Identify ocean landforms including guyots and trenches with this labeled diagram of the sea floor.
Top 20 famous castles palaces.
Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet.