Things That Will Make You Feel Incredibly Small And Uneasy

A reminder that you're just a teeny-tiny human being.

Guillaume Nery Freediving in Dean's Blue Hole

Guillaume Néry / Via youtube.com

Watch the amazing video in full here.

Guillaume Néry / Via youtube.com

This picture of a lone kayaker

nixwilliams / Via Flickr: nixwilliams

People next to whales

tumblr.com / Via tumblr.com

Whale watching? NOPE.

globallygorgeous.com / Via globallygorgeous.com

Brian Skerry / Via images.cryhavok.org

Son Doong Cave, the largest cave in the world

Carsten Peter / Via ngm.nationalgeographic.com

The two glowing dots are actually people swimming.

Carsten Peter / Via ngm.nationalgeographic.com

Carsten Peter / Via ngm.nationalgeographic.com

Unreal.

This terrifying cloud of smoke as a result of Mount Ontake's eruption

Kuroda Terutoshi / Via youtube.com

Kuroda Terutoshi was able to capture footage of himself and other climbers running from the smoke as the volcano erupted Saturday Sept. 27.

Kevin Deldycke / Via youtube.com

William Trubridge freediving

Agustin Munoz / Via i.dailymail.co.uk

Agustin Munoz / Via static.squarespace.com

George Kourounis standing before the "window into hell"

Sam Cossman / Via big.assets.huffingtonpost.com

He's that silver speck in the middle towards the bottom. Kourounis dared to descend 1,200 feet down the Marum crater as Sam Cossman filmed the whole thing.

Bradley Ambrose / Via ultimatevolcanoadventures.com

And this picture just to put things in perspective

i.imgur.com / Via i.imgur.com

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