Liechtenstein's royal family calls this medieval alpine castle home.

This ferry carries passengers across the Rhine propelled by no engine or paddles but by the river's current.

It houses the remains of a 17th-century version of the Titanic.

A real flying saucer, contracted by the U.S. Air Force.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

This ordinary street was made infamous by a legendary visit from the devil.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This Garden District mansion was built to be bigger and grander than its original owner's former partner turned rival.

A little piece of Paris in the sultry south of the U.S.

Striking images of New Orleans history, including colonizers, soldiers, Klansmen, scientists, sharecroppers, and more, are depicted in frescoes that line the walls of this transportation hub.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

A museum and shop on Bourbon Street located in the French Quarter.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.