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

Museum preserving torture methods from the past.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A floating cat sanctuary on an Amsterdam canal.

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

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

A colorful and enigmatic cemetery in the middle of nowhere.

The village's cobblestone streets are lined with shops displaying exquisite copper craftsmanship.

Local legend says that whoever burns down this 2,000-year-old tree will only have seven days to live.

In oil-rich Azerbaijan, people bathe in the black stuff.

What might be the largest completely Jewish town in the world outside of Israel now faces dwindling numbers and empty streets.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

After a long career, a disastrous sinking, and a half-successful salvage, this Naval vessel-turned-artificial reef ended up exactly where she was supposed to—with a little help from nature.

An underwater statue of Christ blesses the depths off Key Largo.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

A unique collection of diving equipment spanning antiquity to the present day.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

This 140-year-old beacon off the Florida Keys marks the wreck of a Navy ship that once roamed the Caribbean hunting pirates.

A community of collapsing homes more than a mile out from the Florida coast.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

Sweden's first electric elevator remains hidden within a fortress-like building.

The final resting place of the man whose name has become synonymous with greatness.