Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

A curious collection dedicated to human and animal anatomy and pathology.

Cat art as far as the eye can see.

A floating cat sanctuary on an Amsterdam canal.

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

Museum preserving torture methods from the past.

An expansive and intricately restored mansion remains from over a century ago--and so do its ghosts.

Here, Father Agapius Honcharenko established his homestead, becoming the first nationally conscious Ukrainian to settle in the United States.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.