Not one, but two of Frank Lloyd Wright's architectural masterpieces nestled on the same street.

The strikingly modern structure stands out among the brick buildings speckling the Harvard Business School's campus.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

The oldest playground in America.

This location holds the truth to what truly happened that faithful night.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

The Wright Tavern is possibly the most important building in Concord Massachusetts to the American Revolution.

An eccentric inventor's castle home with its own indoor weather system.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

Dedicated to nine marines from Massachusetts who perished during the Beirut bombings.

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

What may be Boston's finest Art Deco building, located in the city's Financial District.

These items are all that remain from the room used by the author during his second tour of the U.S.

No passport is required to eat around the world at this elegant restaurant.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

This replica medieval European village in the Dominican Republic was built by a Hollywood set designer.

A unique music museum housed in a historic Boston theater.

Home of Philip Johnson, one of the 20th century's most influential architects.

The headquarters of the famous Yale society.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.