Everything from alchemy books to building plans for the Eiffel Tower are housed inside this museum.

The only tower of an aerial tramway standing over a ski-lift.

The world's longest and deepest train tunnel.

This long line of cement defensive wedges is named after the famous chocolate bar for obvious reasons.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

A symbol of friendship between the mountainous regions of Switzerland and Bhutan.

Medieval irrigation channels built into the sides of mountains provided Valais with water for hundreds of years.

A Swiss board game museum housed inside a picture-perfect castle.

World's largest permanent maze made of 18,000 conifers.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

The bones of two medieval royal lions were discovered at the historic fortress.

Model Trains and Much More in Hamburg.

London's marvelous wildfowl reserve along the Thames.

A collection of machines designed to break things for science.

This knockout museum lies in a sleepy corner of London.

A unique tribute to the millions of animals who served and died for the British military.

A museum wholly devoted to juvenescence.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.