This vast collection of smoking pipes from across the world spans centuries.

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

An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

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

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

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

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

The history and future of cannabis.

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

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

Cat art as far as the eye can see.

A floating cat sanctuary on an Amsterdam canal.

Museum preserving torture methods from the past.

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

WWII rocket launchpad in rural Germany and site of operation backfire.

This store also houses a museum dedicated to the history of these small, historic community shops.

A replica of the first seismoscope ever invented.

A historic Masonic building overlooking the Puget Sound.

The first modern cemetery of Lyon is complete with more than 200 chapels and monuments.

An elegant Georgian cemetery best known for the grave of the little girl whose murder on Christmas Day remains unsolved.

Enjoy coffee and cake while viewing antique medical equipment at this unique cafe.

Inside this shop, visitors are treated to a unique blend of natural history and art.

Military artifacts from the Salvadoran Civil War are displayed in this small but notable museum.

A small thermal park among the mountains of Southern Italy features a surprising piece of modern art.