A subterranean house of worship carved right out of the bedrock.

An alien church provides much needed silence in the midst of a Finland shopping center.

Norway's oldest cathedral still in use.

An impressive museum dedicated to the resource that made the Scandinavian country rich.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

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

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

Every year, the colorful murals of Montreal get a complete makeover.

Legend says this rock spire is the finger of a witch who wanted to throw the Faroe Islands towards Iceland.

This isolated and westernmost point of the Faroe Islands archipelago is home to thousands of seabirds.

The narrow passages will challenge even the bravest driver.

Located more than 600 feet beneath sea level, this tunnel boasts the world's first undersea roundabout.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

A scattered trail of street art adds a pop of color to the city's stark structures.

A book bound in the skin of an infamous criminal, along with countless other specimens.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

These fantastically named natural pools look like something out of a Scottish myth.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

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

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.