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

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

A rare, flower-shaped example of Brutalist architecture in Switzerland.

Swiss vineyards in a UNESCO heritage site.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

This floating sculpture of ice is a poignant reminder of nature's power.

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

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

This cubist Vienna church building looks like some sort of alien stonehenge.

A spherical "micro-nation" in the heart of Vienna.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

When this 18th-century observatory's meridian was moved, it set Sweden's time back by 0.04 seconds.

Hidden in plain sight, Sweden's official ordnance datum is now abandoned.

The Swedish flag over this small naval fort signals that the nation is at peace.

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

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

One of downtown Berlin's last reminders of its Communist past.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.