Every day around the world, millions of people gather in giant stadiums to watch their favourite sporting events and performance acts. But what happens when time inevitably catches up with these facilities? Today we begin our tour of abandoned stadiums from around the world with a look at old arenas in Europe, South America, and Africa.

Covering an astounding 5,200 km2 (2,000 sq. mi.) Mauna Loa is not only the world’s largest volcano, but is actually the largest mountain by area and by volume on the planet. In fact, when measured from its ocean base, it’s actually higher than Mount Everest!

Ever wonder how airline jets navigate the Earth from 30,000 feet on a cloudy day? The road maps provided by Google Maps wouldn't be that relevant after all. The fact is most flights use radio navigation…

We all know Antarctica as the home of extreme cold and ice, but not everythingthere is cold, for the Ice Continent is also home to the world’s southernmost volcano. Rising out of the Southern Ocean at the centre of Ross Island, Mount Erebus sits just over 12 degrees north of the South Pole and has been in a state of eruption since 1972.

Routes can curve so completely that sometimes they loop all the way around and cross over themselves at a different elevation. Generally this happens in mountainous areas or in tightly-confined urban areas where there isn't enough…

Doing the rounds on the mainstream sites this week has been the story of Abu Dhabi's Sheikh Hamad bin Hamdan Al Nahyan, who has created a series of canals in the coastline of his own private…