The use of concrete is on the rise in West Africa, slowly replacing traditional mud structures in countries like Burkina Faso, Guinea, Ghana, and Mali. Some see this as a sign of progress, equating ...

The travertine quarries of Tivoli, Italy, continue to supply stone for modern architecture, echoing their historical significance in ancient Roman construction.

Much before humans constructed their first permanent shelters, they discovered the protective power of animal hides as a barrier against harsh environmental conditions. This fundamental principle of ...

The Earth has innumerable wonders, both natural and constructed, but a handful of them are so immense or so special in design they can be seen from space. These wonders include ancient structures and ...