Monasteries on rock pillars, once accessible only by frayed ropes.

Fine dining in the bizarre world of Lewis Carroll.

A submerged archeological park still holds the wonders of a Roman Sodom.

Medical and zoological curiosities for sale.

Continuing the tradition of the dime museum in style.

Two stunning 17th-century libraries and a cabinet of curiosities.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

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

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

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

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

Eighteen miniature death-scene dioramas.

Notorious artist squat renovated into legal studios.

The world's only museum devoted to the wonders of fluorescence.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Staves, storm-calling, and of course, necropants.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

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

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

The world's largest collection of witchcraft regalia.

A snapshot of the city's fascinating voodoo culture.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A 16th-century horror show built in a lovely Italian garden.