Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

A massive Montreal stadium that has seen nothing but trouble since its inception.

A unique collection of gilded age mechanical pianos.

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

This research center for rare prosimians is studying how they sleep to help prolong human life.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

The magic's in the hole!

The seamy, underground secrets of Portland's criminal past.

Home to items never before seen by the public.

A wall of chewing gum moonlights as collective art.

A 131-year-old wunderkammer of Texas history.

Eighteen miniature death-scene dioramas.

A model home in the Medical Examiner's Office in which grisly death scenes are staged to train forensic investigators.

A museum dedicated to exhibiting remarkable outsider art.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Walk through the history of American pop culture.

The trials and tribulations of marking Poe's grave.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

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

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

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