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

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The eccentric mansion of one the most popular horror authors of modern times.

The celebrated eyesore created by starry-eyed sweethearts.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

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

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

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

A collection of full-size movie monsters opened to the public.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A mysterious castle built as a monument to lost love.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

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

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.