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

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

A unique collection of gilded age mechanical pianos.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

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

This cheese shop also houses a museum devoted to Dutch dairy.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

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

A floating cat sanctuary on an Amsterdam canal.

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