There is only one place in the world where the corners of four nations come together.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

Home to a collection of artifacts and specimens from one of the world's preeminent geologists

This lavish room in a New York City mansion is a rare relic from the end of the Gilded Age.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

This postmodern apartment block was designed to be a vertical neighborhood.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

An ancient Egyptian temple in the middle of Madrid, Spain.

Elvis's own personal tropical hideaway.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

A homage to the King at the hotel where he revived his career.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

An exotic wildlife habitat right off The Strip.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

An early-19th-century hotel with a past that is steeped in the Civil War.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

This kitschy tavern is also home to rare early editions of "Treasure Island."