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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

Preserved "bog person" that is over 2,000 years old.

Iron Age "bog person" preserved for over 2,300 years.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

Old Danish castle immortalized in Shakespeare's Hamlet.

This sublime architectural marvel is a rare example of an expressionist church.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.

The highest lighthouse in Scotland shines from an abandoned island.

A "haunted" landmark on the coast of Southern California.

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

The final resting place of New Orleans' most famous voodoo priestess.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

The site of one of history's most indelible and horrific tragedies.

Social outcasts and cannibalism in Stalin's Soviet Union.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.