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

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

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

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

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

A scattered trail of street art adds a pop of color to the city's stark structures.

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

In the depths of Glasgow Cathedral's crypt, one pillar stands out from all others.

A sweet symbol marks the place where torturous executions were once carried out.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

Catacombs turned marketplace.

One part local history, 99 parts gruesome haunted house.

A spitting ode to a German serial killer.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

The only microgravity tower in Europe can produce nine seconds of weightlessness.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

Model Trains and Much More in Hamburg.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Fantastic views and thousands of love locks.

Washington's iconic carousel has a nice piece of Civil Rights history.

The "lovely red Vega" of the legendary record-settling pilot.

From a distance, Latin America's first Baha'i Temple looks like an enormous egg perched atop a hill.