This collection of solar timekeepers includes the world's first digital sundial.

Abandoned since 1998, this train station has become an oasis for urban explorers.

This memorial museum chronicles the apocalyptic destruction of the First World War.

Housing the groundbreaking maps and globes of Gerard Mercator.

A beer pipeline runs beneath Bruges.

The Belgian library displays burned books that were salvaged from the fires of both world wars.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

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

A once-magnificent collegiate church is falling into ruin.

A Cold War command center is hidden under an idyllic countryside.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

Most prolific publishing house in the 1600s open to the public.

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

The highest point in Belgium is a staircase to nowhere.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

Only museum in the world devoted to bookbinding and book arts holds a permanent collection representing five centuries.

This bike path traverses the treetops.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

This small corner bar is home to a rare 1930s dance organ that still plays tunes for one Euro.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

This bike path was sunk below water level for maximum wonder.

Artwork tucked within the trees greets visitors with surreal sonic experiences.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.