Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

A former plague hospital turned medical museum.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A beautiful maze marks where three countries meet.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

The history and future of cannabis.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Peek through a transparent pyramid and drink in the mountain made of books.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

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

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

Museum preserving torture methods from the past.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

The remains of what was once the world's steepest passenger funicular.

This forlorn park is the result of a failed investment turned tax dodge.

Crumbling ruins of the thermal baths that once attracted royals and aristocrats from throughout Europe.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

Abandoned hotel with adjacent lake and golf course.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.