Church of the Covenant, an 1867 Gothic Revival masterpiece, has one of the largest collections of liturgical windows by Louis Comfort Tiffany in the country; its 236 foot steeple is the tallest in Boston
St. Paul's Cathedral, built in Gothic Revival style and completed in 1905, was inspired by the Cologne Cathedral; Pittsburgh has roughly 300,000 residents while the metro area has 2.3+ million