Uncover the secrets of the curse that strikes this architectural marvel every twenty years. Then hear about Barcelona's most infamous serial killer lurking in the gritty streets of Raval.

Stroll the city's most famous boulevard after dark and discover that today's pickpockets have nothing on the predators who once prowled these streets

Stare up at this Gothic basilica and hear of one fateful pact that met a terrible end, before venturing into El Call and the legend of the Alchemist's House.

In the heart of Barcelona's old Jewish quarter, discover an unassuming house hiding a legend of love, lies, and poison.

Pause at Barcelona's most iconic bridge and learn its sinister secret. Whatever you do, don't look up.

In this narrow corner of the Gothic Quarter, learn how Barcelona's patron saint met a brutal end after enduring 13 unimaginable tortures.

Step into this humble square and study the scarred church façade as the horrors of the Franco Regime and Spanish Civil War are laid bare. If you listen closely, you might just hear the whispers of spirits that cling to the walls.

Discover that the stone creatures carved to ward off evil aren't all they seem, then unearth the chilling story of King's Square, a former Inquisition execution site.

This stunning royal palace is a popular photo spot, but once you hear about the bloody executions that took place here, you may want to pause before raising the camera.

Spot the faces hidden in plain sight. A little bit of fun might be closer than you think.

Wind through El Born past a poet's apartment where paranormal rituals once took place, heading towards the grand finale at Passeig del Born.

This stunning basilica has hosted countless weddings, and here you'll learn exactly why they say, 'Till death do us part.'

The chilling finale awaits. A hotel manager on this very street was hungry for far more than money, and the story does not end well.