'"Architecture begins to matter," writes Paul Goldberger, "when it brings delight and sadness and perplexity and awe along with a roof over our heads." In Why Architecture Matters, he shows us how that works in examples ranging from a small Cape Cod cottage to the vast, flowing Prairie houses of Frank Lloyd Wright, from the Lincoln Memorial to the Guggenheim Bilbao. He eloquently describes the Church of Sant'Ivo in Rome as a work that "embraces the...