The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

Museum preserving torture methods from the past.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

This unattributed sculpture in Amsterdam is hiding in plain sight.

A boutique perfumery fashioned to look like a Victorian-era shop.

A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A kaleidoscopic warehouse-maze of handmade neon signs.

A pagan tradition of draping trees with rags eerily lives on.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Monasteries on rock pillars, once accessible only by frayed ropes.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

This canyon is comprised of gorgeous waters and magnificent basalt columns.

Inside this museum, visitors venture through ghost stories entrenched in Icelandic folklore.

These enlarged egg sculptures represent the native birds of eastern Iceland.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

A winding, blood-red tunnel of hardened lava navigable by foot.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

Walk in the footsteps of the gods and straddle two tectonic plates.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Rising from the sea like a stone monster.