The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

Cat art as far as the eye can see.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

Remarkably preserved body discovered in a peat bog.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

This giant wire frame man sculpture is crouched in contemplation.

Building Men of War and Indiamen from Holland's Golden Age.

This giant radio telescope would be a rusting ruin if it hadn't become such a beloved relic.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

Take a walk in a recreation of ancient Rome.

Go inside a revolutionary, cage-less zoo where 35 species live and some of them roam free alongside their human visitors.

The tallest waterfall in the Netherlands is a lovely, stepped feature that is only 50 feet tall.

Hop aboard a charming bog train to explore this rare open-air museum of peat.

Enigmatic bug-like sculptures mystify drivers along a Swedish highway.

Stockholm's deepest subway station is also a stunning ecological wonder.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A subterranean house of worship carved right out of the bedrock.