Stockholm's narrowest alley is barely over two feet wide.

According to legend, this boat-shaped henge is built over the grave of a mythic king.

It houses the remains of a 17th-century version of the Titanic.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

This charming fountain honors Felix Salten, the creator of the iconic storybook deer.

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

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

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

Vines grow up the metal bars in this public park created from an old machine factory.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Caves famous for the dragon-slaying saint who lived there.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

A tower-like theater in the Swiss Alps built to withstand the high winds and avalanches of the mountain pass.