London's smallest police station is barely the size of a phone booth.

This tangled English forest looks like something right out of a fairytale.

Northern Ireland's Brobdingnagian stepping stones.

Famously misunderstood wonder of the ancient world

An abandoned 14th-century castle and prison complex on a small island in the Neva River.

Gargantuan home of Russian science.

An ever-growing literary collection housed in the apartment where the Russian author penned his final novel.

The tallest hotel in Europe.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

Every summer, an open-air swimming pool appears at the base of a Finnish city's beloved winter attraction.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

An abstract monument to a symphonic composer.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A subterranean house of worship carved right out of the bedrock.

Breathtaking and huge 430 year old maps of Italy.

A miniature train-ride through Slovenia's largest cave system.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

An intricately carved Viking church overlooks a glistening fjord.

Home to three historic ships from the age of Vikings.

A little sculpture with a large wardrobe.

Theme park featuring miniature replicas of European monuments.

Climb inside an iron crystal magnified 165 billion times its normal size.