The vast, legendary catacombs hold secrets much stranger than stacked bones.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

This abandoned church in central Lyon is missing its front stairs.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

Hundreds of hidden passageways weave through the old quarters of Lyon.

Monsters and miniatures are held in equal esteem at this wondrous museum.

Giant topiary dog once played a role in a terrorist bomb plot.

A little sculpture with a large wardrobe.

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

A lovely biographical museum in the artist's home of 24 years.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

The Devil’s own choice when he needs a drink in Brussels.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Theme park featuring miniature replicas of European monuments.

Climb inside an iron crystal magnified 165 billion times its normal size.

A huge old mansion full of thousands of toys, each there to be used and played with.

The mouldering manses of wealthy colonials still pock the streets of a Curaçao neighborhood.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.