A 18th century graveyard and its astonishing cortege of macabre iconography.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

Hear the quietest sound from across the dome.

This series of Scottish caves has no clear purpose other than baffling historians.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

An unusual round church in London with a Templar past.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

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

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

360° views of the city plus five floors of optical illusions and hands-on science.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

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

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

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

These fantastically named natural pools look like something out of a Scottish myth.

This glamorous old building is said to have inspired the Tower of Terror.

Tucked away inside a historic Savannah hotel is a hundred-year history presented in ladies' lids.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

An alchemist's "magic door" stands in the middle of a Roman park.