Narrator: There's a massive underwater sinkhole off the coast of Belize that extends 125 meters into the Earth's crust. It's called the Great Blue Hole. Scuba divers and snorkelers have been ...

This underwater sinkhole is almost perfectly round. It shows us what the Earth was like long ago. It also shows how our planet is always changing. Jacques Cousteau made the Great Blue Hole famous ...

The Great Blue Hole is a massive marine sinkhole in the Caribbean ... an expedition in 2018 that valuable information about this underwater formation and ourselves was obtained.

If you're scared of deep holes and the ocean, this is not the sinkhole for you. Taam Ja' Blue Hole can be found in Mexico's Chetumal Bay. It's an underwater sinkhole, known as a "blue hole ...

An curved arrow pointing right. The 'blue hole' was discovered among the Paracel Islands in the South China Sea. It measured just over 300 metres deep, surpassing the previous record of 202 metres ...

Some daredevils also jump from the cliffs into the blue hole. Dean's Blue Hole is the second deepest sinkhole in the world ... a beautiful natural spot that's great for snorkeling, swimming ...

The Caribbean is an island paradise for divers, hosting crystal-clear waters, vibrant marine life, and underwater landscapes that leave you breathless. There ar ...