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

"I did this all while you were watching TV."

A multi-storied adobe complex has been inhabited for more than a thousand years.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Roaming bison and a spectacular view at the highest point in Nebraska.

This erect, phallic geological spire wasn't always named so domestically.

This stunning concert hall has become a symbol of Iceland's national recovery.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

Castro's communist ice cream mothership has been serving five-scoop "salads" for over 50 years.

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

A small pack of an ancient, hairless breed of dog once believed to guide souls through the underworld lives on its grounds.

This extraordinary art museum is like a secret world on the edge of Mexico City.

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

The only castle in North America to ever house European sovereigns.