This little-known national museum houses over 40,000 works of art from across the world.

Step back in time at this 19th-century kiosk.

Tucked away inside this concrete building is a church and its grand display of brutalist architecture.

One man's remarkable private collection of art from around the world.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

The world's oldest bookshop still in operation.

Sip cherry liqueur at a bar dating back to 1840.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

An unassuming music museum recounts the rags to riches story of a dramatic Portuguese genre.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

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

The largest whale museum in Europe allows visitors to walk among life-size giants.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

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

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

A geothermal paradise with bubbling mud pools and bright blue hot springs.

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

Climb right into the heart of this colorful Iceland volcano.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

This fairytale-like structure is the last turf church ever constructed in Iceland.

What was once believed to be a church floor turned out to be the artwork of geology.