An incredibly well-preserved piece of ninth-century Viking poop.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

Makers and sellers of the original and finest York Ghosts.

This former football stadium seems almost abandoned but is still in use by the next generation of Scottish sports stars.

Glasgow’s piece of the patron saint of love.

A sweet museum focused on beets.

A towering monument to war, located on a beautifully peaceful hill.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

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

Instead of numerals, the unusual clock face spells out a memorial to a lost loved one.

A unique journey back in time to an early 20th-century fairground.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

A madman's personal garden filled with 1,000 sculpted heads.

Haunting graffiti left by prisoners of the Spanish Inquisition.

A collection of grotesques lines the walls of this Italian villa.

Harlequin costumes, signed scripts, and armor-wearing puppets.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.