This coffee shop lies hidden beneath a historic church.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

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

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

The curios of pharmacist and collector Henry Wellcome.

Catacombs turned marketplace.

This 1920s Dutch barge is now a floating bookstore.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

A turquoise lake within a volcanic crater.

An open-air "garden" of mural art that changes weekly.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

A leafy, peaceful oasis nestled in the heart of Glasgow's busy south side.

A serene public space nestled within the remains of Glasgow’s Victorian maternity hospital

A mysterious ruin shrouded in more folklore than fact.

These semi-natural waterfalls hint at the park's Victorian-era industrial past.