What appears to be an act of fruit vandalism is actually a cultural statement.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The world's largest public collection of PEZ memorabilia.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

This last stalwart of the now-forgotten feminist restaurant movement has been serving food in an activist atmosphere since 1977.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

A factory in Milwaukee where poop is reclaimed… and recycled.

These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

Second largest wastewater treatment plant in the country.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

One of the oldest, well-preserved water treatment facilities in all of Europe.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

You'll never meet anyone this passionate about elephant droppings.

At five meters long, that is one big piece of foam poop.

This British museum hopes to take the taboo out of poo.

This beautiful architectural gem was the first waste treatment facility in Boston.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

This beautiful system of tunnels built into natural rock serves as a centuries old plumbing system.

1,300 chamber pots and their eccentric collector.

It celebrates a very stinky task and salutes London's fatberg-vanquishing team.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

An open-air sewer system that was covered piece-by-piece over 300 years.