The tiny Belgian town's ancient version of Mardi Gras involves eerie wax masks, sticks for warding off evil, and ostrich plume hats.

This small window display is dedicated to the noble carrot.

A once-magnificent collegiate church is falling into ruin.

A wonderfully kitsch bookstore the size of a supermarket.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

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

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

This impressive collection of skulls and bones was gathered by an ex-zookeeper who took advantage of a pig plague.

Housing the groundbreaking maps and globes of Gerard Mercator.

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

Museum covers every step of the chocolate-making process, from cultivation to the finished product.

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

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

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

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

Christ's blood preserved in a Belgian town.

A Museum of Psychiatry in a still-operating mental institution.

Sculpture designed by Turkish artist and professor Mehmet Ali Uysal.

Ancient man-made caves underneath small town Belgium.

Theme park featuring miniature replicas of European monuments.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

One of the deepest indoor swimming pools in the world.

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

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