The fountain marks the area where hundreds of accused witches were burned at the stake.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.

A quartet of brightly colored mythical beasts stand sentry at this gateway.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

A sweet symbol marks the place where torturous executions were once carried out.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

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

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

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

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

Visitors to this library are in for a real-world education in modernist architecture.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This massive, ancient stone was disassembled and then put back together again.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

One of the largest underground systems runs under Canada's largest urban center.

Every year, the colorful murals of Montreal get a complete makeover.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Its columns were all carved from the same white oak tree.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

Epicurean and holy traditions converge in what may be the oldest restaurant in Europe.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.