Taste the white whiskey that the United States' first president once distilled and enjoyed.

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

A sweet symbol marks the place where torturous executions were once carried out.

A rare example of World War I trenches from the British front.

Oldest existing wire suspension bridge in the United States.

Glasgow’s piece of the patron saint of love.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

The only international border marker within the United States.

The world's second-longest burning light bulb.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

The glowing blue Nymphaeum of Emperor Tiberius.

Dig for your own trilobites in this goldmine of invertebrates.

The beauty of urban decay, hiding some dark secrets.

Ride the subways of yesteryear.

Peek through the gates at this oasis from the city, full of Old English charm.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

On the top floor of an upscale department store stands a lavish restaurant housed in a replica of a luxury French dining car.

The most visited, and possibly most controversial, museum in Germany.

Built to hold the worst of the worst of the Nazi war prisoners.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.