The LHC is one of the biggest physics experiment ever. Located at CERN, the picture below is of the ATLAS detector being build about 100m below ground. Its really Huge!
The ATLAS Detector
Commemorating the Year of the Physics, the Quantum Diaries were launched to chronicle the lives of physicists throughout the year. This picture is from the blog of Gordon Watts who wrote on the construction of the detector and LHC.