How about this for one of the most amazing places to visit? Tham Khoun Xe, one of the largest active rivers caves in the world, stretches out for nearly 4.5 miles (7km) underground and is quite a sight to behold.
Ryan Deboodt was permitted to go further than the average tourist and let’s be thankful that he did. Stunning images were captured by the photographer.
You can see more of his work on Instagram
The immensity of the subterranean space is staggering, with an average ceiling of almost 200 feet (60m) and width of 250 feet (76m).
Read more about this incredible adventure in an interview with SmithsonianMag.
Would you like to explore the underground river caves of Tham Khoun Xe? Let us know in the comments.
“Quit your job. Travel. Die Happy.”