The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A taste of the macabre Tokyo's ritzy shopping district.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This South London cemetery holds the remains of more than 15,000 people.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

A hand-built folk art installation covered with messages of God's love.

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

Famously misunderstood wonder of the ancient world

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Fine dining in the bizarre world of Lewis Carroll.

This shop specializes in oddities and Victorian-inspired wonders.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The world's largest collection of witchcraft regalia.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Resting place of Hollywood's immortals is also site of summer film screenings.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Medical and zoological curiosities for sale.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

A trash dump made beautiful by nature's power.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.