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
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