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

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

The attic of a four-century-old canal house hides a clandestine church.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

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

This unusual elevator doesn’t stop or slow down.

Amsterdam's former hotspot for public executions and dissections.

A public urinal so pretty, it was declared a national monument.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

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

This unattributed sculpture in Amsterdam is hiding in plain sight.

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

Cat art as far as the eye can see.

A beautifully eclectic mix of architectural styles.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

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

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

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.