Consecrated 1869, a Gothic Revival cathedral in Portland's Munjoy Hill area, with a tall nave, stained glass and the verticality the style is built on.
Benjamin Henry Latrobe's basilica of 1821 — the first cathedral built in the United States — with a great dome lit by concealed skylights and a pale neoclassical interior.
Begun 1907 and consecrated 1926, a Byzantine Revival cathedral holding one of the largest mosaic collections in the world — around 41.5 million glass tesserae.
Boston's first building in the Back Bay, completed 1861, with a celebrated set of Tiffany stained glass and the Public Garden directly across the street.
H. H. Richardson's 1877 Romanesque church on Copley Square, with La Farge interiors and stained glass. Magnificent, dark, and governed by church rules rather than venue rules.