The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Rendering of a comic-book hero turned Luxembourg national symbol.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

Eat the ultimate iteration of Portugal's most beloved pastry.

One of the smallest bookstores on the planet.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

The world's oldest bookshop still in operation.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This public amphitheater was once a key part of Monaco’s defense strategy.

Hilltop garden on the site of an old fortress overlooking the Mediterranean Sea.

This mountain trail inspired Nietzsche to complete his magnum opus.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Hidden in the garden of physicist Erwin Schrödinger's house is a life-size figure of a cat from his famous thought experiment.

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

Breathtaking and huge 430 year old maps of Italy.

The world's largest church atop a political fault line.

A hiking/biking/exploring trail that winds across over 140 miles of Rwandan shoreline.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

A 19th-century fortress and collection of artifacts offer a tour of Saudi history.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

This odd little home was built right into an African rock face.

Not only does this shop sell mokorotlo, the traditional hat of Lesotho, the building is shaped like one.

Just outside Lesotho's capital city, a rock formation takes the shape of a powerful predator.