The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

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

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

The Boston square dedicated to the dark poet who was born nearby.

Statue commemorating the use of ether in anesthesia.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

The world's largest piece of copyrighted artwork.

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

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

An enormous, inside-out glass globe built in 1935.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

A palatial art deco restroom.

Built in 1931, this small passageway is believed to be the first modern skyway.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The curiosities and wonders of pharmacy in a delightful historic building.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A museum within a museum, devoted to history's most questionable medical devices.