A structure is an object made from many parts. Buildings and bridges are examples of structures. When making a structure, it’s important to use simple ways to make it strong. Buildings, bridges ...

There are many abandoned buildings around the world, but few are as unusual as this one. Sitting high in the mountains, this UFO-like structure was once a symbol of political power.

Defying demolition orders, a Chinese man turned his home into a rickety 11-story tower. Now tourists are coming.