The block of aged dairy is probably still edible after 2,300 years in a peat bog.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

Experience what life was like in Ireland during the Viking and medieval ages.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

This ghost town in Belgium will lose its street art when it ceases to exist.

A seemingly out-of-place temple built on the spot where a mystic had a profound spiritual experience.

Lumps of significant stone from around the world surround a flaming monument for peace.

Strange secondhand shop showcasing taxidermy and oddies

Elevated freight railway turned wildly successful urban park.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Lie in a hammock where George Washington stood.

On the Hudson resides one of the largest clocks in the world.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

A mass grave for victims of one of the city’s worst fires.

The Father of the Erie Canal has a magnificent grave marker that redefines the term "final resting place."

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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

A touching tribute to the "Queen of Soul."

Try not to get slimed in Tribeca.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

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