The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

Of course Salvador Dalí lived in a castle...

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

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

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

One of Belgium's oldest hospitals saw patients from the 13th to 20th centuries before becoming a museum.

A 141-foot wave of crashing lumber guards the entrance to the Grand Place in Mons.

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

After the construction of a nearby cathedral obstructed the view, the oldest belfry in Belgium was more than doubled in height.