A display of magnificent stained glass windows is the first exhibit of its kind.

The palatial McDonald's that inspired Wesley Willis.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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

This historic hotel invented the chocolate brownie.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

A clone of a cloned tree that was so important it allegedly had its own guards.

A nostalgic bibliographic gem.

This lovely pocket park is one of the most under appreciated in D.C.

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 most accurate timepiece in the world.

The oldest continuously operating fish market in the United States.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Look closely and you’ll notice that the color changes a third of the way up the tower.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

A cannon designed to fire an atomic warhead.

A Kansas nature preserve protecting the plants and animals that once stretched across central North America.

Electrical pylon in the shape of Disney's beloved mouse.