A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

It’s not hard to see why the historic Peabody Conservatory of Music’s library has been described as a “cathedral of books.”

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

A nostalgic bibliographic gem.

One of Ireland's most infamous prisons for rebels including men, women and children.

The Bong-area park police have asked visitors to please, stop stealing the signs.

Wisconsin's most celebrated export gets the royal treatment on I-94.

The study has wall paneling from a 17th century ship.