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

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

The hallucinogenic center of the ancient world.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

The remains of the first punk club in L.A.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The ancient tomb acts as a calendar that keeps perfect time.

The quintessential Japanese rock garden has existed for more than 500 years.

Most famous work of one of Frank Lloyd Wright's sons.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

400-year-old garden, restored to beauty.

The oldest surviving synagogue in New York City is now a soaring art space.