Roman ruins top white travertine terraces formed by ancient hot springs.

An ancient burial ground believed to have been used for ritual sacrifice.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Christ's blood preserved in a Belgian town.

Amsterdam's Red Light District leaves little to the imagination.

Museum preserving torture methods from the past.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

The first museum in the world devoted to sexual gadgetry.

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.

A fully functional, 200-year-old remnant of the time when Brixton was mostly fields.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

Where's a guy to go after a long, hard day at work?

A celebrated bandstand at the center of what was once the worst slum in London.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

The taxidermied remains of a once-great parrot.

The broken skateboards that became a poignant memorial to a murdered skater.