WEBVTT SUBJECT IS CHOCOLATE. SHAYNA TAKES US ON OUR NEXT TOUR. ♪ >> VERY FANTASTIC. >> VERY COOL, A LITTLE BIT OF EVERYTHING. YOU WILL DEFINITELY FIND SOMETHING YOU LIKE. >> YOGURT WAS ACTUALLY INVENTED. SHAYNA: THEY RUN THE OFF THE BEATEN FOOD TOURS. >> WE RUN TOURS IN SOME OF THE COOLEST NEIGHBORHOODS, CAMBRIDGE, EVEN LOWELL. >> IF PEOPLE ARE VISITING BOSTON, IT IS A GOOD TIME. SHAYNA: NO SURPRISE, THIS 90-MINUTE HARVARD SQUARE CHOCOLATE TOUR, WHICH I AM CAPTURING ON MY PHONE, IS AMONG THEIR MOST POPULAR. >> WE THINK OF IT LIKE A WALKING CLASS, BECAUSE YOU GET IN-DEPTH KNOWLEDGE ABOUT THE HISTORY OF CHOCOLATE, AND WE DO GO ABOUT A MILE AROUND HARVARD SQUARE. SOME OF MY FAVORITE STUFF. SHAYNA: SUCH AS A SPECIALTY GOURMET STORE THAT HAS BEEN AROUND SINCE 1950, SELLING CHOCOLATE FROM AROUND THE WORLD AND NEXT DOOR. >> ONE OF OUR FAVORITE? PRODUCERS, WHICH HAS A FACTOR IN SOMERVILLE. IT IS STONEGROUND. YOU WILL NOTICE THE COARSER TEXTURE THAN THE AVERAGE CHOCOLATE. >> THE WORD CHOCOLATE COMES FROM AN AZTEC WORD. SHAYNA: AND THE BEST WAY TO TASTE CHOCOLATE IS SLOWLY. IN YOUR MOUTH, ALMOST LIKE A WINE TASTING. SHAYNA: UP NEXT, ICE CREAM. >> THEY WORK AROUND THE CLOCK TO MAKE ICE CREAM. SHAYNA: SEVEN DIFFERENT FLAVORS ON THE MENU. AND THE ONE WITH ALMOND TOPPING. I LIKE THIS. WE WASH IT DOWN AT THE CAFÉ. >> IT WAS STARTED BY TWO UNDERGRADS FROM MICHIGAN, AND THEY WERE IN EUROPE AND REALLY LIKE THE FEEL OF THE EUROPEAN CAFÉ, WHERE PEOPLE STAY AND LINGER AND HAVE LOTS OF COFFEE. SHAYNA: HERE, WE TRY AN ICED CHOCOLATE TEA, AVAILABLE ONLY ON THIS TOUR. >> IT USES A SPECIAL BEAN. >> WE ARE COMING TOWARDS A STREET, A VERY POPULAR AREA IN HARVARD SQUARE NAMED AFTER WILLIAM, WHO WAS A PROMINENT COLONIAL FIGURE. SHAYNA: NEXT, WE ARRIVE AT A HISTORIC PARK. >> ONE OF THE OLDEST FARMERS MARKET. SHAYNA: OUR DESTINATION -- >> IT HAS BEEN HERE SINCE 1971. IT IS A FAMILY OWNED AND OPERATED BUSINESS THAT HAS SERVED MANY GENERATIONS OF HARVARD STUDENTS, TACKLE T, RESIDENTS, TOURISTS. -- FACULTY, RESIDENTS, TOURISTS. SHAYNA: WARM BROWNIES IN MASON JARS AWAIT US, AND THEY ARE TASTY. AND THEN, OUR LAST STOP. >> WE HAVE BEEN HERE ABOUT THREE YEARS AND HAVE THEN MAKING FUDGE AND TAFFY AND BRITTLES. WE HAVE A SAMPLE FOR YOU GUYS. WE HAVE FUDGED AND CHOCOLATE TAFFY -- FUDGE AND CHOCOLATE TAFFY. SHAYNA: DIG IN. >> WHAT IS YOUR BIGGEST TAKE AWAY?