Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

The metal leaves on this tree are engraved with the names of Holocaust victims.

Once the home of a hermetic monk, this cave now houses a small church.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The world's longest continuously running show has played at this small West End theater since 1974.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

The Tudor-style cottage in the middle of the square is not quite what it seems.

The ritual has been performed uninterrupted for nearly 700 years.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

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

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A little slice of Japan and its aesthetics in London's Holland Park.

Catacombs turned marketplace.

One part local history, 99 parts gruesome haunted house.

This 1920s Dutch barge is now a floating bookstore.

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

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

An architectural oddity hides in plain sight on this iconic London bridge.

This one has sailed five times as far as Sir Francis Drake's famous ship.