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

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

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

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

What happens when you cross a mayor and a painter?

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

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

Visit the home of Sweden's beloved fictional character, Pippi Longstocking.

This fantastic cave remained unexplored until 1948 when three schoolboys discovered a hidden entrance.

A Bronze Age stone ship said to be the grave of the mythical founder of Gotland.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

Crooked windswept pines give this old forest an enchanted and magical look.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

Believed to be the country's tallest waterfall, the Njupeskär is actually much smaller.

The city that saw the birth of Sweden is now home to an impressive collection of work from its favorite artist.

18th century opera in its original splendor.

An entire shopping mall and industrial terrain named for the time the king of Sweden's car went into a ditch.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

Street artists transformed this abandoned industrial neighborhood into one of Europe's largest graffiti exhibitions.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

A place steeped in history that may be best known as the set of a 1960 film.

A magnificent, long-abandoned castle built in the wake of the reconquest of Spain.