This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

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

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

Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

This historic hotel invented the chocolate brownie.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

The largest known Ancient Egyptian obelisk.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

Ozymandias’ time-keeping temple.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

One of Ireland's most infamous prisons for rebels including men, women and children.

On a clear day, you can see all the way to the Virgin Islands from the top of this observation tower built in the 1960s.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

This hidden stone has absorbed decades of human anxiety.

Two Civil War-era cemeteries stuck between runways at the world's busiest airport.

Mexico's astounding mummy museum with "the world's smallest mummy."

The last moments of the ill-fated Pompeiians, frozen forever in plaster.