This modern arts center is built around a gem of late-Baroque architecture.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

This historic Art Nouveau townhouse was the former home of the son of a famous chemical inventor and industrialist.

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

A wonderfully kitsch bookstore the size of a supermarket.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

One of the deepest indoor swimming pools in the world.

Descend into the tunnels to experience the life of a coal miner.

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

The ruins of a castle sat decaying in this park for years before a massive renovation restored this area to its past beauty.

A collection of weird and wonderful art fills a former houseplant nursery.

This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

A once-magnificent collegiate church is falling into ruin.

Nicolas Schöffer's massive interactive sculpture was assembled in 1961 and brought back online in 2016.

This annual Belgian water race attracts bathtub captains from all over the world.

Burbling away in refrigerators are 105 sourdough starters from around the world.

Hiding the longest subterranean river known in the world.

The highest point in Belgium is a staircase to nowhere.

Ancient man-made caves underneath small town Belgium.

Tintin's creator is celebrated in an immersive museum that's an astounding work of modern art.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

This former coal mine, now a fascinating museum, was the site of Belgium's worst mining disaster.

The world's tallest boat lift stands as a massive piece of industrial tourism.