Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Deep underground, the rusting remains of a German water pumping station from World War II.

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.

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

An unmistakable facial pareidolia in the Julian Alps also includes a fantastic tale.

On a small Slovenian island, diners can mix and match a classic cake into dozens of sweet and savory flavor combinations.

It took 160 years to complete the most ornate church in Ecuador.

This huge green space packed with activities will make you forget you're in the middle of the Ecuadorian capital.