This miniature take on the Kremlin is one Dutch man's retirement project.

A market built atop boats is one of the few floating holiday markets in Europe.

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.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The longest hedge maze in the world.

One part local history, 99 parts gruesome haunted house.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A spectacular cave and a beguiling lake.

A quaint Russian village in the middle of a German metropolis.

This German bone house contains the remains of some 20,000 souls.

This historic stone bridge has an entire neighborhood clinging to its sides.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

"The most colorful grottoes of the world.

A striking 12th-century-style castle built on the edge of a cliff.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.