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

Lavish royal estate punctuated with heated greenhouses.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

The world's tallest boat lift stands as a massive piece of industrial tourism.

An eerie, derelict amusement park in Berlin.

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

Elevated freight railway turned wildly successful urban park.

World's strongest whirlpool.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

This encrypted monolith protected a secret of Norse mythology by hiding in a church wall for over a millennium.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Abstract dinosaur models in London.

The remains of Crystal Palace Great Exhibition of 1851.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

A cluttered and astounding collection of antiquities and curiosities.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

This Swedish automobile graveyard is a beautiful gallery of decay, but woe be to any who would steal a souvenir.

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."

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

Stockholm's tiniest statue is of a small boy looking at the Moon.

Stockholm's deepest subway station is also a stunning ecological wonder.