This Scottish tollhouse was a destination for clandestine marriages in the 18th and 19th centuries.

The longest staircase lock in Britain.

A tumbling waterfall near a narrow passage that was used to herd cattle for hundreds of years.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Texas’s first suspension bridge is still carrying people across the Brazos.

A historic landmark and museum filled with curious objects representing the history of Key West.

A historic presidential getaway on the continental United States' southernmost island.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

An imposing statue of the first prime minister of Antigua and Barbuda stands in the middle of a traffic intersection.

Giant topiary dog once played a role in a terrorist bomb plot.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

Many mysteries surround these objects questioning whether they are cannonballs at all.

This 700-year-old storehouse was a POW jail, aviation workshop, and Titanic memorial before becoming a brewpub.

A memorial marking the original departure point for the two ships carrying the early English settlers to the New World.

A giant piece of cutlery designed to remind us about the origins of our food.

Decaying 18th-century church converted to a single-family home.

A rocky outcrop where monks hid their most holy relic while escaping Danish invaders.

A cruise terminal that changes the atmosphere of Red Hook's industrial waterfront.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.