English antique dealers with a taste for the unusual.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

Hear the quietest sound from across the dome.

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

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

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

The world's oldest surviving music hall was also once a freakshow.

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The mystery of this small, brick pond eluded its possibly only investigator until his death.

The oldest library in Scotland was built from the remains of a church to hold a churchman's library.

A fernery hidden by neglect is uncovered, and an ancient specimen along with it.

Scotland's first free lending library, which protects literacy through inheritance.

This Scottish bridge seems to compel dogs to leap to their death.

Largest lake in Great Britain measured by surface area.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

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

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

These azure waters were thought to lead to the Mayan Underworld.

One of the largest, oldest, darkest, quietest motel rooms in the world.

Gorgeous cave resemble a winter wonderland.

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

Stalactites and stalagmites in a beautifully lit cave.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.