The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

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

Museum dedicated to the terror regimes of Hungary.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A close look reveals that the Scottish monument is just slightly off-kilter.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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

Eighty million natural history specimens call this gargantuan museum home.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

A plaque claims this artwork outside a children's hospital was used in the 1998 Quidditch World Cup.

Luxurious hotel designed to stir the imagination of its many visitors.

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

The patch of land below the memorial was gifted by the British to the United States.

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

Eclectic final resting place of the controversial explorer.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

It is against the law to obstruct the view from the top of this English burial mound.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

The oldest working mechanical clock in the world.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A hands-off space for graffiti artists to hone and display their skills.