This downtown Dallas art installation is always on the lookout.

An exquisite grouping of structures made from 10 tons of invasive saplings.

This failed condo development was reborn as a street art hub.

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.

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.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

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

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

This small group of sand dunes manages to pack in a strange rainbow of colors.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

Relax on your veranda and watch the light show.

Postal archives over 150 years old offer a window into Singapore's culture and tradition.

The most playful of the life-sized statues that make up Singapore's "People of the River."

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

Colorful umbrella-covered trees in Singapore's Little India look straight out of Dr. Seuss.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

One of the largest Roman settlements in Portugal.

Ancient catacombs form the foundation for this Rococo orgy of a church.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

A unique seaside cave where Aleister Crowley faked his own death.