A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

Paths are maintained, but trees have taken over plots.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

A building so large that it has its own weather.

The smallest post office in the United States is no bigger than a broom closet.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

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

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

Ice cream stand, snack bar, and time capsule of milk conveyance.

Dim sum, served in a grand old theater.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

This historic hotel invented the chocolate brownie.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

One of the few working locomotive roundhouses in the United States.

The only surviving prototype for Buckminster Fuller's house of the future.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.