Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Baroque celebration of the end of the Great Plague of Vienna.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

This historic roadhouse has many tales to tell of San Francisco's early history.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This private residence was the template for one of the most beloved television homes of all time.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The oldest continuously occupied public building in the United States.

The first plantation museum in the United States to focus on the lives of enslaved people.

This 19th-century sugarcane plantation is one of the most well-preserved estates of its kind, including its original quarters for enslaved laborers.

The world-record holder for the longest bridge stretching continuously over water.

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

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The second oldest continuously operating bar in Louisiana.

A snapshot of the city's fascinating voodoo culture.

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

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

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

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

The curiosities and wonders of pharmacy in a delightful historic building.