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

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

A beautifully eclectic mix of architectural styles.

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

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

The world's most elegant power lines.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

Commonly acknowledged as the only public monument to the Devil himself.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An ancient Egyptian temple in the middle of Madrid, Spain.