A farmer noticed a hole in a rock what he discovered on the other side has amazed the whole world.

Via: LVP Travel

Behind the rock hide an undiscovered cave. The massive cave turned out to be the largest in the world!

via: CNN.com

It contains a whole world, including a rainforest breathtaking rock walls and even a beach!

Via: sondoong.info

It is around 5 km long and it takes a week to explore it completely.

Via: www.ryandeboodt.com

And it’s so tall it could fit a 40-storey skyscraper inside!

via: alexfl.ru

The cave, Han Son Goong, is located in Vietnam.

via: www.sondoongcave.org

And it was created between 2 and 5 million years ago. But the massive cave was a hidden treasure until recently.

Via: HypeBlaze

In 2013, the first visitors toured the cave. And it’s now taking the world by storm.

Via: NOMADasaurus

Now, wouldn’t you just want to take a step inside?