Three columns of volcanic rock shoot out of the ocean.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created with the discharge from a geothermal energy plant.

This elegant arc of a waterfall marks a religious turning point.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Giant, friendly pelicans in Central London, the most unlikely of places.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

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

19th century pendulum and a clock restored by a rogue group of guerilla artists.

A museum of magic with a Sadist past.

France's national museum of scientific and industrial instruments.

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

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

There must be a pun in this haystack somewhere...

The most confusing clock in New York.

Hiroshima survivor on Riverside Drive.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A popular European tradition makes its way to the states on one of America's most famous bridges.