Portugal's National Pantheon has a history of curses, collapses and financial problems.

The best place in the world to buy tinned fish.

Little-known artist couple chose a former silk factory as the location for a museum dedicated to their work and other avant-garde art.

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

This charming candle shop has been in business since 1789.

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

The world's oldest bookshop still in operation.

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

One of the smallest bookstores on the planet.

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

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

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

Sip cherry liqueur at a bar dating back to 1840.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

A circus legend leaves an unexpected endowment.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

The secret medieval communication system will whisk your words above the noise of the crowd.