In Egypt's expanding metro area, many of the neighbors are dead.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

A remarkably intact castle that once was the largest in Ireland.

Macabre astrological automaton clock dating to the late 1400s.

Home to more than 13,000 pieces of war memorabilia and military equipment.

A Korean village where times stands still.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

This one has sailed five times as far as Sir Francis Drake's famous ship.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The taxidermied remains of a once-great parrot.

An unusual round church in London with a Templar past.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

One part local history, 99 parts gruesome haunted house.

This luxury shopping lane has been protected by its own tiny police force for over a century.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

This dramatic rail curve was once the target of a failed Nazi attack.