1
The smallest frog in the world
2
The most dangerous shark in the world
3
The highest cliffs in the world
4
One of the most beautiful valleys in the world
5
Highest mountain in the world
6
The most active volcano in the world
7
The largest glacier in the world
8
The biggest ocean in the world
9
The hottest desert in the world
10
The longest cave in the world
11
The longest river in the world
12
Deepest lake in the world
13
The tallest falls in the world
