Fighting the British and making game shows for over 150 years.

No one knows the story behind the mysterious feline perched on this rooftop.

A massive base for the Nazis' most formidable weapon in the Atlantic.

Sofia's legislative center is continuously reinventing itself.

A vast Communist-era exhibition space in the Bulgarian capital.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

This little patch of Europe remained neutral for more than a century because of a mine.

Formerly a munitions depot and World War II POW camp, now a nature reserve.

Where George Lemaître discovered the expanding nature of the universe.

This work of art, which took 35 years to complete, has a motorway running through it.

The spectacular and eerie moss-covered grave site of 19th-century Belgian merchant.

Because sometimes you need to make a batch of frites even when the stores are all closed.

A fascinating and enormous collection of natural history exhibits stained by a dark colonial legacy.

What was once a bustling mining installation is now a bustling hub of contemporary art.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

This enormous steel tube is the biggest speaking horn in the world.

A piece of the front end of a British cruiser that was used as a block ship in World War I.

A piece of stonework relief commemorates the site where the Devil's rage, and odd apparel, destroyed a house.

A lovely biographical museum in the artist's home of 24 years.