A museum dedicated to secret surveillance.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

A fascinating little project dedicated to preserving the charming historic doors of Durrës.

One of the best examples of a Byzantine period monument in Albania.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

Bronzes and busts that once stood in the city's main squares are now relegated to a small hidden courtyard.

A memorial to the atrocities of the People's Socialist Republic of Albania.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

This ex-prison dates back to the Middle Ages.

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

A striking public sculpture representing the period of martial law in Communist Poland.

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

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

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

An impressive monument to Poland's independence.

Since 2017, the remains of Stretford's industrial past have been occupied by a collection of gnomes.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

A beautiful medieval bridge allegedly constructed by the Devil.

This amazing trail among the many waterfalls around Ingleton has been enchanting visitors since 1885.

This abandoned Brutalist tower looming over the M6 Motorway once featured a restaurant.

The highest peak in all of England is plagued by dangerously fickle climate shifts.