The site of the first medieval crusade that pitted Christians against Christians.

A monumental palace that began as a stock exchange, became the headquarters of Hungarian Television, and spent years largely unused.

A forgotten Art Deco department store in central Budapest, where faded socialist-era retail grandeur meets the haunting beauty of urban decay.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

This 135-year-old weather station studied the effects of the climate on human health.

A well-worshipped shrine to the Virgin Mary nestled inside the last of Zagreb’s historic gates.

A cemetery for Slovenian notables also serves as a popular recreation space.

This abandoned Slovenian military barracks has become a punky-political art squat.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

Since 1999, this bakery has been turning out the dreamiest tortes in the Slovenian capital.

Inspired by the Rialto Bridge in Venice, these three clustered bridges were just one part of a Slovenian architect’s grand vision.

In between two buildings in Ljubljana, medieval tunnel to nowhere.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A public work of art that also provides some relief from the summer heat.

When this monument to Slovenia's national poet was erected, it's said to have sparked the ire of nearby church authorities.

Buy raw milk from a 24/7 vending machine or pick up tomb candles at this local market.

A whimsical bridge adorned with decorative dragons.

When the water level in the Danube in central Budapest is low enough, there is a secret site telling the history of one of the most iconic bridges of the city.

The only Ottoman Mosque in Attica outside central Athens.

Past the megayachts in the hyper-modern marina of Vouliagmeni is a small, well-hidden chapel adorned with pebbles and maritime imagery.

This lesser-visited World Heritage site in Athens boasts an impressive ensemble of medieval gold mosaics.

A stunning church overlooking the water that you will have all to yourself.

The remains of an ancient medieval monastery can be seen in the basement of a luxury hotel