Brussels' favorite peeing boy has a sister.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

A little sculpture with a large wardrobe.

Meet the bronze beloved pet to a family of famous peeing statues.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

A museum capturing one of the world's most famous classical composer's battle with hearing loss.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

The solemn exterior conceals an opulent interior of this 17th century church.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The final resting place for the remains of 143 Habsburg royalty.

A museum dedicated to secret surveillance.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Perhaps the world's cheapest vending machines.

A moss-covered statue of a Japanese Buddhist deity stands at a quiet temple in downtown Osaka.

Crawl through the hole in the middle of this stone to break off a bad relationship or initiate a good one.