From terrifying homeswallowing sinkholes to picturesque natural caverns, we count fifteen aweinspiring planetary cavities
Facebook:   / theddguides  
Twitter:   / theddguides  
Gaming Channel:    / theddguides  

For my gaming livestream where I typically play retro console games like NES, Gameboy, Atari, PSX, etc, visit   / dangerdolan   (and click FOLLOW to be notified for when I go live)

Click here for the written version of this video: http://www.dangerdolan.tv/15stranges...

Come work for PLANET DOLAN! You can find job listings here: http://www.dangerdolan.tv/planetdola...

Legal notes

Image credits & information sources for this video: http://pastebin.com/YG9cVvvd
Planet Dolan PTY LTD and Danger Dolan™ have made reasonable inquiries within the timeframe available to identify the source of any images used and attribute the source accordingly.

Background audio copyright Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/b...