Kings Cross Station pays tribute to its role in Britain's best-selling book series.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Amsterdam's Red Light District leaves little to the imagination.

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

A beautifully eclectic mix of architectural styles.

The attic of a four-century-old canal house hides a clandestine church.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

The history and future of cannabis.

A floating cat sanctuary on an Amsterdam canal.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Museum preserving torture methods from the past.

A curious collection dedicated to human and animal anatomy and pathology.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's only museum devoted to the wonders of fluorescence.

The largest stone moai on Rapa Nui.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.

A short nature trail winds through the greatest works of poet Robert Frost.