The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

Medicinal spa created with the discharge from a geothermal energy plant.

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

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Three columns of volcanic rock shoot out of the ocean.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

Iceland's tribute to its thankless civil servants.

This tiny museum's sizable collection is jammed into a former underground public toilet.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

Experience what life was like in Ireland during the Viking and medieval ages.

This 13th century Gothic brick castle is the largest in the world by surface area.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

The last bastion of Roman presence north of the Alps looms over a German town.

Below the altar in Saint-Willibrord Basilica rests the mortal remains of Luxembourg's patron saint.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

The mirrored section takes the shape of Hebrew characters when viewed from above.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

The attic of a four-century-old canal house hides a clandestine church.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.