The grand complex of buildings that comprise Liverpool's Exchange Flags includes a vast World War II bunker that has been frozen in time.

19th century tunnels burrowed under Liverpool.

The Liverpool street made famous by the Beatles is real.

A historic house devoted to the teachings of a 1700's prophetess and her mysterious box of revelations.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

A succinct inscription commemorates the ebb and flow of a woman's life.

Inside this magnificent 12th-century church is one of the finest carved wagon-roofs in all of England.

A dazzling temple featuring a towering 12-meter golden Buddha.

The longest navigable underground river in the United States is home to countless blind and albino animals.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.