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

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

A snapshot of the city's fascinating voodoo culture.

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

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

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

More than five miles of underground passageways.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

An underground magnet for ever-changing street art.

To find the final resting place of a golf legend, just look for the grave covered in golf balls.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

An oddity shop filled with taxidermy, funerary memorabilia, and more.

This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

Time stands still at this serene burial ground in the center of Budapest.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

The hands on this clock appear to be created by two workers sweeping debris into careful positions.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.