This former insane asylum now holds a pathological anatomy museum.

One of the best collections of wax anatomical models in the world.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

This outsider art house has gone from clinical creation to astounding artwork.

A three-shelf library serves as a memorial in the Jewish cemetery of Krems.

Narrow-gauge railway with its own personal power grid.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

Fantastic stories on a miniature railroad.

Each year melting snow turns these Austrian hiking trails into scuba zones.

The largest 19th century panorama in the world still in-situ.

A miniature city, once ruled by the Queen of the Netherlands.

A preserved building where the dead were once watched for signs of life.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

This small museum collects the Christian remembrances which would otherwise be forgotten.

A former plague hospital turned medical museum.

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.

Colorful and chaotic stacked hotel in North Holland.

The place where Czar Peter I of Russia resided in 1697 during his Grand Embassy.

A beautifully eclectic mix of architectural styles.

Amsterdam's Red Light District leaves little to the imagination.

The history and future of cannabis.

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

A unique collection of gilded age mechanical pianos.