A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

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

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

This historic Boston building has gone from personal estate to porn theater and back again.

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

A memorial to Chinese freedom in the city where American freedom was born.

Dedicated to one of the darkest moments in Irish history.

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

Statue commemorating the use of ether in anesthesia.

A men’s restroom became a sandwich shop.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

Narrowest house in Boston.

This art center is way beyond your average pumpkin-carving operation.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

In the 19th century, this was the center of Boston's Black community.

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

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

Stolen goods adorn the organ at Old North Church.