It's hard to be sure when (or why) the first arch was built. We do know that the Romans of the last few centuries BCE were building "triumphal" arches to welcome their military heroes home from war.

Three experts weigh in on the architectural style that defined Europe for centuries and continues to inspire buildings today ...

Public ceremonies, lavish processions, and temporary wooden arches were commonplace after victory in Ancient Rome. But during ...

An arch comprises three components ... community provides many rich and diverse examples of keystones used on buildings spanning its nearly 290-year history. Keystones can be observed on a ...

Studio Ruan Xing has created an arched, central hall as part of the renovation of a building on the Shanghai Jiao Tong ...