The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

Experience a charming 1930's version of "infotainment."

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A natural history museum with an extensive collection of bird dioramas.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

The Habsburgs' royal collections of art and wonders.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Go inside to really appreciate this 500-year-old technological masterpiece.

The Boston square dedicated to the dark poet who was born nearby.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

Avoid gangster interaction while window-shopping.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Indents in the pavement are all that remain from a grisly death machine in Paris.