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

A beautiful maze marks where three countries meet.

Sail in for a ’dam good slice.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

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

The history and future of cannabis.

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

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

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

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

This Funeral Hearse Museum represents the finest in cadaver transportation.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

This historic library honors the legacy of the British Empire's first children's librarian.

A touching tribute to the "Wonkey Donkey."

The artwork commemorates the many ways 20th-century people perished while on the clock.

A miniature representation of Canadian cities and landmarks in incredible—and sometimes hilarious—detail.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

This urban oasis is a marvelous meld of music and landscape architecture.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.