The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

It was once nicknamed "the most bombed hotel in Europe."

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

These engineering masterpieces are a dominant feature of the Belfast skyline.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

These barriers stand as stark reminders of Northern Ireland's troubled past.

A secret door leads to this cozy dive that sells only “milk.”

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

The Scottish Reformation leader's grave was paved over and is now a parking lot.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

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

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Protecting the dead from opportunistic body snatchers.

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

A book bound in the skin of an infamous criminal, along with countless other specimens.

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 supermarket offers shoppers a window into the past alongside their groceries.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

Fantastic views and thousands of love locks.