This charming railway is one of the oldest and steepest funiculars in England.

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.

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

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

The "father of immunology" used this humble hut to offer the local people some of the world's first free vaccinations.

This restaurant's specialty is "a major enigma for food historians."

Three bridges straddle a stream, one stacked upon the other.

Long before mobile phones or GPS were available, these sentry boxes provided help for motorists in need.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

This mural honoring a drowned village has become a symbol of Welsh pride and patriotism.

This former military airfield's claim to fame came from a lucky accident during the Second World War.

The 19th-century vessel floats proudly on Lake Titicaca, but its journey from Britain to the Peruvian altiplano was far from smooth sailing.

One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.

A Christian monastery stands on what was once a holy Incan temple.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

A tangible and sobering reminder of an atrocity that took place during a secret war.

England's only square-dimension hill horse was built to celebrate Queen Victoria's coronation.

This Welsh hotel is the spiritual home of the British 1953 Everest expedition, the first successful ascent of Mount Everest.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."