St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

A statue honors the children who fought Nazis in Poland.

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

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

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 tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

Special benches that play Chopin's music are scattered throughout his native city.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

The house that took a plunge into the facade of a museum.

Museum devoted to the artificial language of Esperanto.

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A kaleidoscopic warehouse-maze of handmade neon signs.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

The second tallest railway trestle bridge in America.

The highest point in Washington state is a volcano covered in glaciers.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.