A whimsical bridge adorned with decorative dragons.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

Macabre astrological automaton clock dating to the late 1400s.

The world's first crowdfunded skyscraper has not gone quite to plan.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

Every Sunday, Bogotá turns 75 miles of its city streets into a bicycle superhighway.

305 homemade stone stairs wind their way up the Hamilton escarpment.

Despite the name, the waters of this Canadian lake are actually blue-green in color.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

A rare venue to buy specialty maps.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

The last permanent exhibit dedicated to the Soviet leader.

The first outlet of Canada's biggest fast-food franchise has been slinging doughnuts since 1964.

Putt your way around Australia in a black light environment.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

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

This downtown Dallas art installation is always on the lookout.

Stained glass windows bathe this botanical garden in cosmic light.

The archeological ruins of the ancient fortified city of the mysterious Teotenanca civilization.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

What may be Boston's finest Art Deco building, located in the city's Financial District.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

The world's largest piece of copyrighted artwork.