The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The trials and tribulations of marking Poe's grave.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

The Underground Railroad passed right through this historic Brooklyn Heights church.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

An accidentally hidden library containing the ephemeral history of New York.

This remote Scottish isle is only inhabited by seals, birds, and the memory of a tragic settlement.

This Scottish burial tomb once held hundreds of ancient eagle bones.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

The world's shortest street was created by an awkwardly placed hotel.

Enter the world under the hill at this ancient UK burial chamber.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

These fantastically named natural pools look like something out of a Scottish myth.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.