An abandoned town centered around a paper mill powered by a large waterfall.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

What was once the largest mine in North America has left behind a hollow hill filled with bright blue waters.

The remains of a paranoid inventor's hidden workshop lie in beautiful ruins amidst a Canadian park.

Yugoslavia's biggest underground airport lies in ruins.

Humble beginnings for one of the world's most famous scientists.

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

Abandoned railway line circling the city of Paris.

This crumbling, graffiti-covered mansion sits tantalizingly within reach of the proletariat who frequent a public park.

A psychological self-portrait in the form of a giant, segmented head.

This sinkhole is disguised as a pond and named after the man who stumbled upon it.

This bridge is haunted by the ghost of a distraught mother.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

An unrealized dream to wirelessly electrify the entire Earth.