This is amazing! Someone certainly is talented and patient to create such a masterpiece.
A few quick facts:
How long to build it? It was about a year and a half of planning, building and photographing.
How many pieces of LEGO to build it? more than 75,000
How big is it? About 7 feet by 5 1/2 feet by 30 inches (2.2 m x 1.7 m x .76 m)
How many LEGO people does it seat? 1372
How many windows? 3976
It features a balcony, a Narthex, stairs to the balcony, restrooms, coat rooms, several mosaics a nave, a baptistry, an altar, a crucifix, a pulpit and an elaborate pipe organ.
All I can say is WOW!!
Source : http://www.amyhughes.org/lego/church/index.html