This grand gate once marked the entrance to a military barracks.

A small museum displays some of the artifacts discovered during a subway station renovation.

Nicknamed the "Spirit of Paul Klee," this colorful apartment building features an array of multicolored panels.

Guitarist Paco de Lucía overlooks travelers as they pass through this train station dedicated to his legacy.

A window into a long-lost world, these colorful tiles advertise a long-defunct range of purgative teas, harmless smokables, and diarrhea cures.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

This huge limestone slab is considered the largest paving stone in Belgium and a relic of the earliest modern paving in Brussels.

This cannonball has been lodged in the church wall since a 1695 bombardment destroyed the city center.

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.

When you're a great Russian Tsar, even your vomit gets a statue.

Belgium’s famous peeing statue has worn many hats (and coats, and pants), which are on display at this small museum.

Medical history with an amazing, if frighting, collection of wax diseases on display.