A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

Climb inside an iron crystal magnified 165 billion times its normal size.

This windmill has been grinding pigments for traditional paints for more than 200 years.

Europe's official "zero-level," the equator of elevation.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

A monument to the real explorer and bear who inspired characters in Philip Pullman's 'His Dark Materials.'

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

An encyclopedic collection of mammal penises.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

Experience what life was like in Ireland during the Viking and medieval ages.

This sculpture commemorates Edinburgh's sister city and their respective celebrity dogs.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

Protecting the dead from opportunistic body snatchers.

The most loyal of little dogs, or a Victorian era publicity stunt?

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

A stone monument acknowledging Scotland's right to have a separate Parliament from the one in Westminster.

A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

The colorful stairs are made with marble from the world's major quarries.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The heads of two giant mythological water horses honor Scotland's horselord past.

The location of this historic castle was inspired by a donkey.

Largest lake in Great Britain measured by surface area.