The Goose Girl of Göttingen, Germany might well be the most kissed girl in the world.

The man who gave his name to magnetic measurement is buried in the city where he did his best work.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A surrealist timepiece by the artist of melting clocks.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This modest marker near Notre Dame identifies the very center of Paris.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

The celebrated eyesore created by starry-eyed sweethearts.

Eighty million natural history specimens call this gargantuan museum home.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Giant, friendly pelicans in Central London, the most unlikely of places.

A cluttered and astounding collection of antiquities and curiosities.

The anatomical-pathological collection of a man who changed surgery.

The largest offshore wind farm in the world would be even bigger if it weren't for some pesky birds.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

London's smallest police station is barely the size of a phone booth.

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

The nerve center of a massive, state-of-the art radio telescope that sprawls across Western Europe.

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

A trio of red, white, and blue stones embedded in the streets of Leiden are markers of medieval territory and law.

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

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.