A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

Where a staggering 747 ships were constructed during World War II.

A pier that used to act as a busy ferry dock is now a decaying favorite of local fisherman and urban artists.

Spiral labyrinth hidden in the hills above Oakland, CA.

A celebration of once forgotten materials.

This restaurant offers the original California cuisine.

A private home built to resemble the shape of a microscopic creature.

A unique market that brings together various goods and cultures.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

Stockholm's deepest subway station is also a stunning ecological wonder.

An everyday Jackson Heights bodega conceals a Mexican seafood paradise.

Some of Arizona's best spit-roasted tacos al pastor can be found at a weekend swap meet.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

This tiny museum hidden above a restaurant houses thousands of modern and traditional kites.

You can swim in these highly salty, mesmerizingly blue lakes in the Atacama Desert.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

An archive of ceramic eggs painted to record clowns' personal makeup designs.

A piece of outsider public art accompanied by a strange urban legend.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Rippling sand dunes frozen in the Arizona rock.

A huge musical instrument played by the ocean.

A terrific purveyor of natural history objects and curios.