The history and future of cannabis.

The Emperor Tiberius' palace of debauchery.

Things seem to roll, flow and run uphill on this short patch of road near Ariccia, Italy.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

2300-year-old Roman road connecting the empire.

When you're a great Russian Tsar, even your vomit gets a statue.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Hear the quietest sound from across the dome.

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

A beer pipeline runs beneath Bruges.

Christ's blood preserved in a Belgian town.

Brussels' favorite peeing boy has a sister.

Theme park featuring miniature replicas of European monuments.

Meet the bronze beloved pet to a family of famous peeing statues.

A little sculpture with a large wardrobe.

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

Model Trains and Much More in Hamburg.

Sweden's oldest animated sign is still lighting up the skyline today.

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

The site of the first battle of World War II.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.