The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Largest Roman Catholic church in North America.

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

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

These disused steel furnaces are now haunting ruins that may one day be a national park.

There aren't too many operational funiculars around, but Pittsburgh has two!

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

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

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of Paul Revere's historic two lantern warning.

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

This landmark cemetery in Boston was created more than 300 years ago.

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

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

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

Two thousand artifacts from around the world collected by one woman who loved to travel.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.