Brad Dayspring, a spokesman for House Majority Leader Eric Cantor, had a bit of a ‘National Treasure’ adventure on Capitol Hill on Wednesday. Dayspring tweeted some very cool images of what appear to a hidden room inside the U.S. Capitol building which is located behind a wall approximately above Statuary Hall - facing the National Mall.

Check ‘em out:

Signatures on a wall:

Update: Daily Kos’ David Waldman points out that ‘Page Robert E. Bauman,’ whose signature you see below, went on to serve 4 terms in the House as a Republican from Maryland.

Ladder leading up to the secret entrance:

Window facing out:

More of the room: