scuba diving
It's unbelievably mind-blowing to realize the sea is much deeper than even the loftiest part of land above sea level.
He even wears a 1900s-era diving suit for his aquatic adventures.
New Mexico's Blue Hole has been closed to the public for 40 years, but Shane Thompson had permission to venture inside.
"The sea is the limit."
WHAT'S HAPPENING
It's literally a water park.
As scary as it may appear, the gargantuan creature poses no threat to humans.
Wilsons Promontory in southeast Australia is a biodiversity hotspot.
Talk about going to extreme depths for love.