Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

This grand manse has been transformed into a museum devoted to one of the founders of Fantastic Realism.

A set of outdoor stairs named in honor of a famous Austrian artist.

Epicurean and holy traditions converge in what may be the oldest restaurant in Europe.

The construction of this bridge dates back to the 15th century.

This small record store was a favorite of Oasis's Noel and Liam Gallagher, who mentioned it in one of their early songs.

This dreamy street will transport you to wintertime in Victorian England.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

This historic patch of real estate offers a glimpse of colonial Boston.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

Narrowest house in Boston.

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

Radical Bookstore and Community Space.

Two thousand artifacts from around the world collected by one woman who loved to travel.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

An enormous, inside-out glass globe built in 1935.

The Boston square dedicated to the dark poet who was born nearby.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

The "Seinfeld" diner.

A very classy 1920s-era bar right in Grand Central Station.