The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

Something's watching you.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

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

The final resting place of the great navigator, or maybe his brother.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The celebrated eyesore created by starry-eyed sweethearts.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

A French artist's vague warning hangs over Belleville.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

A modern-day Lascaux cave underneath Paris.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

The first green space constructed on an elevated viaduct.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

This Parisian café sticks almost exclusively to an ethos of reuse.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

The very center of Paris is surrounded by a bevy of strange good luck rituals.