Once tied to Templar legend and later to Prussian counts, this fairy-tale palace has witnessed centuries of Polish history

Another beautiful spot in the hidden universe of Eames Demetrios.

An angel that hatched from an egg!

An engineering marvel at the time of its construction, this cross-border waterway sought to connect the Black Sea to the Baltic.

A war-scarred hippo calf nursed from the ruins into a symbol of Berlin resilience

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

An astonishingly accurate water clock that doubles as an hourly spectacle in this Berlin shopping area.

This curious sculpture represents the perseverance needed to take to the skies.

Thousands of rare and sculptural desert plants are cultivated in a surreal, open-air landscape unlike anything else on Mallorca.

This historical manor is complete with a magnificent garden.

In the Swedish forest stands a stone with a deadly inscription, promising ruin and death to whoever disturbs it.

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

This permanent exhibition showcases the historical significance and cultivation of pineapples.

A museum dedicated to the stories and folklore of Småland, Sweden.

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.

Dubbed "Wistom" by locals, this abandoned factory is an urban explorer's dream.

Brought to you by the makers of fiberglass dinosaurs.

Atop this library is one of the most beautiful green spaces in Warsaw.

This interactive museum celebrates the iconic arcade game.

Remote beach reachable only by boat or a strenuous hike across a mountain.

Gliwice Radio Tower, likely the tallest wooden structure in the world.

Krakow's own version of the Hollywood Walk of Fame.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.