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
The First Church of Christ, Scientist is considered the Mother Church for the Christian Science church and was completed in 1894 with major additions in 1906; it boasts one of the world's largest pipe organs and has a sanctuary that seats 3000
Standing 535 ft, the 42-story Late Gothic Revival Cathedral of Learning is the tallest educational building in the Western hemisphere and the centerpiece of the Univ of Pittsburgh campus; it is also the 2nd-tallest gothic-styled building in the world