Mysterious 500-year-old tapestries depict a unicorn hunt.

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

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

This statue intended for children to enjoy became a minor political spat.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Silverware in the sidewalk outside a grocery store cements this neighborhood’s Italian culinary history.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Inside this library, the history of Los Angeles is retold through a mural.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A psychedelic labyrinth on the San Francisco bay.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A walk through the historic city center, under the streets of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

This mural changes every few years.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

A place for ship-lovers to watch the passage of freighters traversing the Great Lakes while learning about their history.