Paris, France's capital, displays why it is known as the "City of Lights" in this photo taken from on board the International ...

The radical cast-iron tower was built for the 1889 World Fair and the centenary of the 1789 Revolution by engineer Gustave Eiffel. Eiffel made use of new technology that was already popular in ...

Discovered in 1999 inside an abandoned mine in Southern Spain, Pulpí Geode is the largest crystal 'cave' of its kind in the world. But what exactly is a geode and how do crystals form inside them?

But not all light towers are the same. There are different light tower lamp options available, and contractors should know the differences between the lighting technology to decide which ...