Where Mary Shelley’s "Frankenstein" and John William Polidori's "The Vampyre" were born.

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

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.

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

The largest underground lake in Europe.

The gravestone of a famous poet features a fittingly poetic epitaph chosen by the writer himself.

This trail was once used to smuggle cigarettes, sugar, and other black market goods between Italy and Switzerland.

This one-time health resort was used by aristocrats around the world.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

The bears of Bern have been a city highlight for over 500 years.

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

Middle-earth in the middle of Switzerland.

Study the Alien etchings in this fountain while you refill your water bottle.

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

A crumbling World War I fort that is reached through a series of concrete tunnels.

The monument honors the mountaineers who were part of Europe’s best anti-Nazi forces.

This abandoned Slovenian military barracks has become a punky-political art squat.

A cemetery for Slovenian notables also serves as a popular recreation space.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

A magnificent collection of imperial armor and weaponry.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.