The curious underground history of keeping Paris clean.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This working class sculpture pounds his hammer all the livelong day.

Leave a button on the jacket of this iconic Seattle clown.

Always a new use for this old building.

A commemorative mural in this tiny Ballard park honors the neighborhood's rich Scandinavian ties, particularly with Seattle's Norwegian sister city Bergen.

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

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

A nondescript Seattle restaurant inherited a piece of European history.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A wall of chewing gum moonlights as collective art.

A walk through the historic city center, under the streets of Seattle.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

This glamorous old building is said to have inspired the Tower of Terror.