10 nation-changing buildings

These structures will be featured in a PBS documentary "10 Buildings that Changed America" to be broadcast nationally next year. They were selected by a group of historians and architects from across the United States, and are listed by date of construction.

1788, Richmond, Va.

1877, Boston

1891, St. Louis

1910, Chicago, above

1910, Highland Park, Mich.

1956, Edina

1963, Chantilly, Va.

1964, Chestnut Hill, Pa.