This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

It was once the base for a series of domestic terror attacks.

Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

An overlooked memorial honoring the local Washington residents who died in World War I.

Perhaps the most scandalous statue of America's first president.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Washington's iconic carousel has a nice piece of Civil Rights history.

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Where Venice's gondolas go for a tune-up.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

100 year tradition of fist fights, marked by marble footsteps.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

A museum and shop on Bourbon Street located in the French Quarter.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Brain collection and database that narrows the gap between man and animal.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

This grisly headstone doesn’t seem to be resting in peace.

The towering figures were created from the cemetery's fallen old-growth trees.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

Ancient snack bar of the Roman Empire re-opened.