Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

A contemporary fresco movement illustrates the region's rich history.

Train tunnel running underneath Quebec City.

Slum Settlement Filled With Mountains of Garbage.

A strange aquarium with stuffed fish, and almost no water for them to swim in.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

The haunting beauty of this little-visited wreck makes it a true hidden treasure.

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

This historic observatory was established to keep shipwrecks from littering the Cape of Good Hope.

The curios of pharmacist and collector Henry Wellcome.

Eighty million natural history specimens call this gargantuan museum home.

Banksy gives themself artistic license with this piece of London street art.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Ruins of a late 1950s Polish ski jump ramp in the middle of the city.

This extensive collection covers thousands of years of Polish military history.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

One of the world's largest collections of medieval religious art.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

A hidden art gallery in an abandoned Warsaw fort.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

This magical-looking island is notorious for the misfortunes suffered by its owners.