A German apartment building hosting as many trees as human occupants.

Search the street for hidden cats, all up to different kinds of mischief.

An abandoned resort in North Macedonia is a relic from the Communist Party of Yugoslavia.

This former mill comes to life during the Christmas season.

An abandoned saucer-shaped monument in the Bulgarian mountains.

One of the world’s only pink lakes where it's possible to take a dip.

Founded in the 4th-century, the town of Pernik plays host to the Surva Carnival⁠—a magnificent display of masked Kukeri dancers.

A massive cave once a secret military base is now home to thousands of bats.

This monument honors a true hero dog.

This symbol of Yugoslav liberation decorated with 620 carved heads of mythical creatures is now a forlorn relic of another time.

One of Serbia's oldest luxury hotels and a nostalgic echo to Yugoslavia in the state's former capital.

Curious carved stones and bird-like wings are a symbol of Serbian resilience and freedom on the site of a WWII massacre.

Norway's national monument to fallen seamen.

What might look like a cliffside sacrificial altar at first glance is actually a stone compass pointing to cities and lighthouses all around the world.

Mysterious man-made rock piles form an ancient cemetery on this rocky beach in Norway.

This modernist tower was saved by a fraternity with a 500-year-old penchant for shooting at wooden parrots.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

The summer residence of a Spanish ambassador who brought viticulture to an impoverished region, sparking its transformation into one of the world's best wine regions.

The costumes depict the Kurent, the star character of the annual Kurentovanje festival.

This small Slovenian town has become a magnet for microbreweries.

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

An otherworldly alpine pasture in Slovenia with historical ties to WWII and architecture that recalls Middle Earth.

This 3,800-year-old site contains markers used to study the movement of the sun and moon and create a lunar calendar.

Where commuters walk through remnants of an ancient Greek necropolis.