While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

Kay Andrews's recipe was so good, her family immortalized it in stone.

A family recipe is just one of several touches that make this Hebrew headstone special.

This former nursery supplied plants for the creation of Chicago's largest park.

All of Chicago's wood-paved streets are long gone but two alleys remain.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

If you forgot something to read during your trip to Tokyo, this hostel has you covered.

360-degree virtual reality chamber physically immerses scientists into their data.

What began with a single, 357-pound chunk of the Canyon Diablo meteorite grew to be an impressive collection. 

A display of magnificent stained glass windows is the first exhibit of its kind.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

Where Cusack's record store from the film "High Fidelity" was located.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A science teacher's dream.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

Always a new use for this old building.

A young botanist's horticultural vision realized through a lifetime of planting, tending, and collecting seeds.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

The words of the neighborhood's most famous poets adorn four concrete walls.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.