From Weichlbauer Ortis Architects, a green home M.C. Escher would admire

German artist creates gravity-defying land art installations

One-day cultural festival goes off in the name of reform

Photo series captures the energy and bustle of the megacity

Incredible close-up images of agate crystals show off nature's art skills

Immersive maps works navigate imagination and memory

Rambling photog documents his global wanderings