This is Fune no Kagakukan, the Tokyo Museum of Maritime Science. The building's design was inspired by the famous luxury liner Queen Elizabeth 2. And the unusual funnel is actually a 2 floors observatory, one of the best places to admire Odaiba from above.
EXIF info:
Nikon D90
Lens: VR 18-55mm F/3.5-5.6G
Focal Length: 22mm
Aperture: F/5.6
Shutter Speed: 1/1250s
ISO Sensitivity: ISO 200