The cherry blossom season is one of the greatest times to visit the Japanese castles, because the blooming sakura trees surrounding them are creating a magical atmosphere and a wonderful, "only in Japan" landscape. Photographed here is Maruoka-jō, one of the castles listed in the Top 100 list...
EXIF info:
Nikon D700
Lens: 24-70mm F/2.8G
Focal Length: 48mm
Aperture: F/4.5
Shutter Speed: 1/200s
ISO Sensitivity: ISO 500