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

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

The best place in the world to buy tinned fish.

One of the smallest bookstores on the planet.

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

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

This fountain is dedicated to the workers who perished constructing the Fréjus Rail Tunnel.

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

This now abandoned restaurant provides some of the most amazing views of Lisboa.

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

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

This castle has links to Portugal’s founding and struggles for independence.

A collection of venomous snakes and reptiles for the whole family to enjoy.

A deserted 20-lane highway runs through Myanmar's empty capital city.

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

This cobblestoned medieval-style town was entirely constructed in the 1990s and 2000s.

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

Things aren't quite what they seem at this mind-bending museum.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

This historic black and white monastery is one of Bulgaria's architectural jewels.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.