When you can afford only half a road, you build only half a road.

The world's longest and deepest train tunnel.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Walk through Czech history in Prague's largest graveyard.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

An extraordinary "City of Caves" carved from solid stone.

A nearly unconquerable island-fort in the Indian Ocean.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Why have you never heard of the second most popular tourist site in New York?

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

What was once a unique system of urban elevators is turning into a mechanical ruin.

Pivotal home of Nobel Prize winner Pablo Neruda.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

Hand-made memorials and a wish-granting murderer lie within this seaside pauper's cemetery.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

A collection of unique outdoor sculptures surounded by the beauty of nature.

This two-room factory has been cranking out the musical signifier of zaniness for a century.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

Paris' fabled purveyor of exotic taxidermy and natural history curios.