A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

Dictionary Johnson’s favorite feline.

London's smallest police station is barely the size of a phone booth.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Scattered throughout London are ancient remnants of the city's former bounding wall.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

A quiet memorial to those who died saving others in the heart of the City of London.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

A floating cat sanctuary on an Amsterdam canal.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

The most accurate timepiece in the world.

A historic ruin just 20 feet away from a busy highway onramp.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.

Decades before the scandal, this staircase on the river was a literal "water gate."

A diminutive memorial marks the site of a successful assassination by a right-wing death squad in America's capital.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

The house where John Wilkes Booth conspired with his co-conspirators.

The most decorated dog of World War I is preserved in the Smithsonian.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.