Sculpture park built by a 50-year-old widow.

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

This one-time health resort was used by aristocrats around the world.

A whimsical bridge adorned with decorative dragons.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

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

The world's largest pineapple building honors Bathurst's favorite fruit.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

The only museum with its curator—and her pets—buried inside.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

A safari-themed castle in the South African bush with the largest maze in the southern hemisphere.

South Africa's postal service began with a letter left in a boot beneath this tree.

Former prison camp dedicated to the victims of political repression.

This micro-nation may be some sort of prank, but its constitution sure seems official.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A striking symbol of the Bulgarian capital.

Sofia's legislative center is continuously reinventing itself.

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

Don't blink or you'll miss it.