Horse cemetery on the grounds of Blarney Castle.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

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

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

Millions of numbers carved in glass represent the tattoos forced upon victims.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

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

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

A more than 260-year-old crypt built on Boston's oldest English burial ground.

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

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

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

Created by a local artist, these quirky sculptures each have their own names and personalities.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Statue commemorating the use of ether in anesthesia.

This impressive Boston holy house is the American mecca for Christian scientists.

A preserved trolley track that was transformed into a museum of transportation.

This exhibit is devoted to the games and wonder that Hasbro has brought children worldwide.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

This stunning Connecticut mansion is actually just a one-room-deep hoax.