Well there are tons, but in the interest of keeping the thread manageable I'll pick just one.
In 1958 the US Capitol was renovated. Several of the original columns and other stonework were replaced. Some of the original pieces are
prominently displayed in the National Arboretum, and well-known to locals if not to every out-of-town tourist. But others... were simply dumped in a quiet corner of the Rock Creek Park forest, and mostly forgotten. But if you know just where to look, you can find them:
