Underground cities are the fascinating foundations that uncover the secrets of life above. While many of these subterranean worlds have become obsolete, others are fully functional urban spaces. Hidden passageways, ancient tunnels, illicit activities, and ghastly rumors and urban legends – the underground teems with magical stories of a life that once was, and activities …

If there is one requirement of architecture, it’s that the structure must remain upright. Forget any aesthetic purpose, architects would be out of a job if their buildings continually failed to meet this one test. Yet some architects push the boundaries, seemingly daring with Newton’s universal law of gravity, to design buildings that not only …

We all know about famous attractions like the Colosseum, the Great Wall of China or the Taj Mahal. But there are other grand, ancient buildings even the most avid travelers have never heard of. Here are the results of a Quora magazine survey, in which they asked their readers to name lesser known architectural landmarks …

There are moments when each of us needs some time alone. Then we close our eyes and get carried away to a secluded corner where nothing breaks the silence except the surf or the rustling of leaves. Here are 10 delightful houses safely hidden from public view. Don’t miss the insanely dangerous and beautiful cliff …

The task of restorers is to revive dilapidated and damaged works of art. This work is creative but not at all simple: one wrong move and the masterpiece is ruined. Unfortunately, mistakes are inevitable. Here are 9 sensational cases where restoration went wrong. 1. A spoiled fresco The most sensational case of an unsuccessful restoration …