One of Ireland's most infamous prisons for rebels including men, women and children.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The modern birthplace of Irish freedom.

A particularly disconcerting tribute to Irish martyrs.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

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

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

Half-drowned wooden stumps and stone blocks are all that remain of a Victorian landing that was destroyed by storms.

A giant scale model giving a sneak peek at what urban planners see for Shanghai by 2020.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.