The state Capitol is regarded as an architectural gem that is lauded by many as the most beautiful state Capitol in the nation. Yet, there is so much more to it when you really take a close look.

Here's a look back at what PennLive reporter Jan Murphy and photographer Christine Baker found three years ago when they had the chance to peek in secret passageways, look behind the usual views and even digg up ghost stories and other folklore.

* SPECIAL PROJECT: Secrets of the Pennsylvania Capitol: 17 views that aren't on any tour

Follow these links to PennLive's full series on the hidden gems inside the Pa. Capitol building:

Secrets of the Capitol

On ghosts, folklore and other often-told tales

Murphy and Baker go inside the Treasury Vault and reveal its gallery of treasures

We get a glimpse of some of the rare books and interesting items found in the State Archives and State Library

Check out the Capitol by the numbers: 600 rooms, 8 types of marble and 10 Williams