The history and future of cannabis.

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

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

A floating cat sanctuary on an Amsterdam canal.

Cat art as far as the eye can see.

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

An enormous Polaroid picture adds an artistic flair to Rotterdam.

A giant floating rubber duck-bunny painted with a different design every year.

A modern reimagining of a medieval city gate.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

A statue of the second-tallest Dutchman in history.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

This is why we can't have nice things on the Incan Trail.

Enormous array of antennae fill a desert valley.

Ancient Peruvian fertility temple or modern money-making hoax? Either way these monoliths still look like penises.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

A fascinating little museum all about the rich history of Peru’s famous plant.

The remains of what was the most important religious complex in coastal Peru for over a millennium.