A rare specimen of an iconic extinct animal in downtown Sydney.

The bones of this aquatic dinosaur turned to opal over the centuries and the beast's remains were almost sold as jewelry.

How a replica of a legendary Florentine fountain became a tireless fundraiser in the Southern Hemisphere.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The site of Paul Revere's historic two lantern warning.

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

Small lakes provide outstanding reflective views of the Earl Mountains

This historic sculpture from the 16th century is even older than the city of Boston.

The oldest floral clock in the world still functions today.

Australian holiday town hosts world's largest bowling ball.

One of the first big sculptures anywhere in Australia.

Giant wood sculpture in Kew first constructed in 1979.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Illegal drag racing two stories beneath Chicago’s streets.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

Louis Sullivan’s dark, swirling cast-iron designs envelop a popular department store in this Chicago landmark.

A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

A six-ton wedding present for the King of the Scots.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

The building where Mary, Queen of Scots was said to have bathed in white wine.

This small museum in a 17th-century building honors three iconic Scottish writers.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

Now home to a drinking establishment, this building has a macabre history.