On the water, the sound from this horn could be heard from up to 10 kilometers away.

This ferry carries passengers across the Rhine propelled by no engine or paddles but by the river's current.

This Swiss cemetery is reserved for people who died in climbing accidents.

This scenic spot is known as the birthplace of Switzerland.

A journey through every aspect of the human body.

A massive observation tower that features gorgeous views and unique architecture.

The most impressive of Basel's three remaining city gates.

A treasure trove of scientific instruments from the 17th and 18th centuries.

A futuristic rocket marks the spot where three borders meet.

A monument to peace, built by one man over the course of 25 years.

The remains of St. Lucius of Chur were said to be kept in this crypt for several centuries.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

This medieval footbridge in the Swiss Alps is known to attract cliff-jumping daredevils.

This work of engineering is imbued with elegance and ingeniousness.

The Swiss hilltop housed an early 20th-century vegetarian nudist colony.

Enormous, fluffy dogs frolic around this museum dedicated to a legendary Saint Bernard.

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

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

This massive boulder was hurled into a Zurich church when a gunpowder depot was struck by lightning in 1652.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The heads of two giant mythological water horses honor Scotland's horselord past.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.