A lot of cool stuff goes on under the ground. Check out these 10 amazing underground caves that will makes you think twice about what’s beneath your feet!

I remember learning about stalagmites and stalactites in school. Stalactites on top – tights go up, remember??

Anyway, the lessons weren’t a patch on the real thing. Check out these 10 incredible underground caves, Physics at it’s finest!

1. Reed Flute Cave, Guilin, China

Ian Sewell

2. Cheddar Caves, Somerset, UK

Andrew Stawarz

3. Lechuguilla Cave, Carlsbad Caverns, New Mexico, US

Dave Bunnell

4. Waikato, New Zealand

Antoine Hubert

5. Grotte de l’Aven d’Armand, France

Coline Boitel

6. Lake of Dreams, Luray caves, Virginia, US

Idol

7. Kuala Lumpur, Malaysia

soham_pablo

8. Fantasy Cave, Bermuda

walknboston

9. Ice Cave, Nynäshamn, Sweden

visulogik

10. Grotte de Dargilan, France

Philip Larson

Been to any of these places?? Have we left some truly amazing caves off of our list? Post up your comments below and let us know!

Coming soon… the world’s best nature destinations. Don’t miss out – sign up for free blog updates below!

Money, love, freedom – happiness means something different to everyone. But where in the world are we most likely to find it??

I often wonder if certain countries are simply happier than others. Yes, is the answer to this question!

Check out this list of the Top 10 Happiest Countries in the World, based on a recent study.*

And if you fancy setting off on a quest for true happiness, our tip is to head for northern Europe…

Who is the Happiest of Them All?

1.    Denmark
2.    Finland
3.    Netherlands
4.    Sweden
5.    Ireland
6.    Canada
7.    Switzerland
8.    New Zealand
9.    Norway
10.  Belgium

Been to any of these countries? Was everyone on happy pills? Got more recommendations for happy countries??

Post up your comments below, we want to hear from you!

Coming up…. the World’s Most Miserable Countries. Don’t miss out! SIGN UP for free blog updates via RSS or email to the right of this page.

Photo: Happy people in Denmark by Flottenheimer

*List taken from happiness research conducted by the Organization for Economic Co-operation and Development.