The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

A memorial to a 19th-century fishing disaster that had deep repercussions across Shetland.

This memorial celebrates the legacy of the British-Norwegian resistance movement during World War II.

Across the islands, baked goods, sauces, and much more are for sale 24/7.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

One of the smallest bookstores on the planet.

Get in line for Lisbon’s most famous sandwich.

This charming candle shop has been in business since 1789.

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.”

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

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

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Feast on buckets of garlicky snails.

This handsomely carved wooden church is more than 800 years old.

A small museum dedicated to the history and design of German packaging.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

Lines on the pillar of Heidelberg's Karl-Theodor Bridge record the dramatic heights of past floods.

It's good luck to be mocked by this monkey.