The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

This whimsical winery by Antoni Gaudí looks ripped from the pages of a fairytale.

A bronze sculpture of a monkey sits outside this factory, which has made an anise-flavored liqueur for over 150 years.

A Spanish forest is filled with mysterious stone carvings.

Overlooking Puget Sound sits a garden with a Buddhist prayer wheel and an elaborate labyrinth.

A Belle Epoque bordello turned into a themed love hotel.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

This 18th-century sundial was designed to calculate the date of Easter each year.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Of course Salvador Dalí lived in a castle...

A darkly erotic open-air statuary in Catalonia.

This ancient Spanish castle sits high upon a hilltop.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Mountain where Jesus was first tempted by the Devil.

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

A beautiful but toxic fountain of mercury.

A once-secret library of Freemason history in Catalonia.

Barça football fans might see the insignia hidden in a church window as a divine sign.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.