Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Terrifying derelict military hospital once housed a recuperating Hitler.

A monument to the man who almost killed Hitler.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

A hollow cement depiction of time's inexorable effect on the human body.

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

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

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

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

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

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!