Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

Eighty million natural history specimens call this gargantuan museum home.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

This famous city eluded concrete detection until the early 2000's.