A labyrinth hides in plain sight at each of the city's 270 Tube stations.

Giant, friendly pelicans in Central London, the most unlikely of places.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

Hear the quietest sound from across the dome.

The final resting place to 300 Victorian-era pets hides inside the city park.

An unusual round church in London with a Templar past.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

Hidden beneath the streets of London is a secret subway that only carried mail.

Banksy gives themself artistic license with this piece of London street art.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

Its look is severe, but its location, isolated on a hill in the middle of the countryside, is particularly scenic.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.