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

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

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

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

Dedicated to one of the darkest moments in Irish history.

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

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

A tribute to Samuel Wilson, who may be the original "Uncle Sam."

America’s oldest community theater, this Boston club has been in operation since 1877.

Interactive museum complete with costumed re-enactors and the only known surviving chest from the Boston Tea Party.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

This theater opened in 1998, but both the building and the puppeteers who perform there have a distinguished history.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

With a history dating back to Victorian times, this architectural gem is a rare New York tourist haunt worth visiting.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

San Diego's most historic and haunted home.

It would be a crime to miss it.

This historic graveyard was partially paved over to create a streetcar line.

A couple turned their front yard into an artistic masterpiece.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

A hidden courtyard houses early 20th-century plaster masterpieces.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

One of the largest trees of its kind in California.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.