This is Canary Wharf, on the Isle of Dogs, London. Canary Wharf contains the UK's three tallest buildings, the 1 Canada Square building (235m), the HSBC Tower (200m) and the Citigroup Centre (199m). As ever, tons of fascinating info on…

The Château d'If is on the small island of If, in the Bay of Marseille, France. It was completed in 1531, and was originally intended as a defence against attacks from the sea, however it never had to fight off…

This is the Colgante Transporter Bridge across the river Nervión in Portugalete, Spain. This extremely rare type of bridge (apparently there's only 8 of them left in the world) is designed to carry a segment of roadway across a river,…

Chaco Culture National Historical Park is in north-western New Mexico and was the heart of the ancestral Puebloan culture between AD 850 and 1250. During that time they built monumental "great houses" from the yellow-orange sandstone that permeates the region,…

During the 1980s Saddam committed money from oil revenues to build many over-the-top monuments around Baghdad. The most famous is the now toppled statue of Saddam (it's pretty hard to spot from the satellite photo) but most of the other…

This isn't really an optical illusion, just an image mismatch on highway I-80 between Lincoln and Omaha, Nebraska, but it looks really freaky! It makes my head hurt. Thanks to Michelle, and apologies to Joe, who doesn't like weirdness.