The gift shop at Washington National Cathedral in D.C. could eventually be home to the largest Lego cathedral in the world.

Perched on a hilltop standing watch over the city, the Porto Cathedral (known as the Sé) was originally built between the 12th and 13th centuries, and features a variety of architectural styles ...

Sturdy Lisbon Cathedral is perhaps more imposing than your average medieval religious site. With very few windows, it resembles a fortress nearly as much as a cathedral. This 1147 building ...