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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

An incarceration museum on the spot of possibly the oldest prison in England.

Hear the quietest sound from across the dome.

One part local history, 99 parts gruesome haunted house.

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

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

Catacombs turned marketplace.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

The most loyal of little dogs, or a Victorian era publicity stunt?

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

A bizarre stone beast lurks on the beach of a popular tourist island.

This stately estate house features a tower covered in a bright, modern mural.

The heads of two giant mythological water horses honor Scotland's horselord past.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

The old tradition of drying laundry on poles in the public green is still guaranteed by Glasgow city law.

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

Largest lake in Great Britain measured by surface area.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.