Structures

On May 6, 1889, the Eiffel Tower was opened to the public. Serving as the entry gate to the World's Fair, the Eiffel Tower was the tallest man-made structure in the world for the next 41 years. With around 7…

We've visited a few solar power generation facilities in the past, but here is a roundup of solar power towers - elevated structures surrounded by movable mirrors called heliostats. The mirrors concentrate solar energy onto receptors in the tower where…

From the late 19th century to the period between the World Wars, hundreds of airship hangars were built in Western Europe and the USA to house the massive lighter-than-air craft. Today, only a handful of these huge structures remain, including…

Floating bridges, while often temporary structures used in times of war or disaster, can also be used long-term in locations where water conditions are very sheltered. The road surface is supported by pontoons, which - while they do float -…

The ancestor of the modern stadium, amphitheatres have played host to large-scale cultural and sporting events for thousands of years. The tradition continues today as hundreds of amphitheatre venues have been constructed to host concerts and plays, often in natural settings.

A few years ago it was a common joke to suggest that Google would follow the success of Street View by attaching cameras to boats to capture imagery of rivers, canals and oceans. Well, of course that is now a…