Lots of the DigitalGlobe satellite photos around the world have small lens flares like this one in Reykjavik which appear to be simply the sun reflecting off a shiny surface - no big deal there. But reader Andrew Grannis brought…

The Iguazu Falls are situated on the border of Argentina and Brazil, who both claim the falls as one of their top tourist destinations. In peak flow the water has a massive surface area of 1.3 million square feet, split…

The Kawarau River and Bridge in New Zealand both have notable claims to fame. The river, which runs between Lake Wakatipu and Lake Dunstan, played its part in the Lord of the Rings films as Middle Earth's Great River Anduin.…

For some unknown reason somebody is carving giant letters 'HA' into a sand bar near Abu Dhabi. The 500m tall water letters are very neat but it's a lot of effort just to laugh into space. Perhaps it's just the…

We've previously featured Mexico's giant flags but this is the world's largest unsupported flagpole in Jordan. Narrowly beating the previous record holder in UAE, the flagpole is 126.8 metres tall, is illuminated at night and can apparently be seen from…

Here's a neat trick - this is a satellite photo of the great lakes, the largest fresh water lakes in the world etc, etc. Now if you click to the great lakes and them zoom in step-by-step you'll arrive here:…