Catacombs turned marketplace.

Eighty million natural history specimens call this gargantuan museum home.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

This South London cemetery holds the remains of more than 15,000 people.

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

This monument dedicated to the legendary American showman can be found in Scotland's largest city.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Steadily reminding Czechia of its past.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Monument to a suicide protesting the Soviet invasion.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

Visit the WWII bunker where the British won the battle for the skies.