In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

One of the smallest bookstores on the planet.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

The best place in the world to buy tinned fish.

This charming candle shop has been in business since 1789.

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

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

The world's oldest bookshop still in operation.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

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

This mysterious sign claims an American astronomer haunts the building—but is it true?

This cone-shaped bomb shelter, modeled on German design, is a rare WWII relic that never saw use but still looms over the harbor.

Sweden's largest remaining gantry crane is a relic of Gothenburg's industrial past.

Preserved 19th-century lime kilns sit in southern Sweden.

This bronze marker acknowledges an embarrassing royal blunder.

Is the centuries-old enigma of these mysterious "perjurer's footprints," where nothing ever grows, attributed to natural phenomena or to the realm of folklore?

These life-sized mosaic reptiles, crafted using ceramics from a local toilet factory, link the town's industrial heritage with its prehistoric past.

This lake-bound geographical marker sits at the point where three European countries intersect.

The final resting place of the father of modern biological taxonomy.

Uppsala's adorable feline sign celebrates a popular children's book set in the Swedish city.

A bronze, peeing self-portrait protests unequal inheritance rights.

Hang with reindeer at this 400-year-old Sámi market.

This Swedish village shows off its most well-known products in a big way.

Hidden in an enchanting ravine, numerous mysterious sandstone grooves hint at ancient pagan rituals.