One of the largest Roman settlements in Portugal.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

Dead weights honor the dead of Portugal's fishing industry.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

Houses are tucked between, on, and underneath giant boulders.

A bronze replica of an elm tree that honors the victims that perished in Pawaik Prison.

People in Poland have rallied to save this unnatural desert from being reclaimed by the forest.

Old cabin-like homes in a rural community untouched by time are known for their vibrant and colorful window shutters.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

Boats must transform into railroad cars to navigate this Polish canal.

Deep in a Polish forest, this collection of Iron Age megaliths still holds onto many of its ancient secrets.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

A memorial to the beloved brown bear that served in the Polish army during World War II.

The silly symbol for an underground protest group is now scattered around the city.

This imposing 20th-century castle was abandoned before it was ever completed.

A collection of old neon signs from all over Poland line a secluded courtyard.

A national collection of Communist-era musical posters.

These massive moving sand dunes have swallowed an entire village and are still on the run.