This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

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.

The grave of the famous painter is marked by a simple stone in the ground.

The largest airborne operation in history was launched to capture this bridge.

At the base of this tower, a plaque marks the original center point of the Netherlands.

Every winter, this former planetarium is transformed into a massive, brightly-lit Christmas ornament.

The location of the world's first telescope demonstration.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

A miniature city, once ruled by the Queen of the Netherlands.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Old Danish castle immortalized in Shakespeare's Hamlet.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

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