It took over 100 years to decode this enigmatic epitaph for two buried brides.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

The world's largest piece of copyrighted artwork.

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

A tribute to the couples who brave long periods of separation during wartime.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

This little-known rival to the Library of Congress houses one of the largest collections of pre-1876 American books, newspapers, and manuscripts.

A comic book store got the road by its shop officially renamed after Superman's girlfriend.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.