The floor of this spectacular Baroque sanctuary is covered in memento mori.

This almost a century old piece of architecture had been overlooked by most, except for the drunk and the homeless

Tiny communists hammer away on the Olomouc Astronomical Clock.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

A mesmerizing landscape of 18th-century cellars carved out of the land.

Catch a scenic view of Warsaw's Old Town from the top of a centuries-old dumping ground.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

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

Down this Cracovian street resides a plaque with a stark message about the city's air pollution.

Real bones which are said to have belonged to a Polish dragon.

This grubby wall is said to be one of the Earth's esoteric energy centers.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

Inside this Krakow church, an explosion of psychedelic color.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

In northeastern Poland, the ruins of a massive granary overlook the Narew River.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

A tribute to the first human in space.

An impressive monument to Poland's independence.

A cluster of headless, armless sculptures looms within a popular Polish park.

An abandoned football stadium with a tragic past.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

A public urinal so pretty, it was declared a national monument.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

Perhaps the most spectacular grotto along the Algarve coastline.