Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Single runway interrupted by a busy road that cuts across its middle.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

This striking statue brings a scene from the African savannah into central London.

Be on the lookout for the symbolic insect all over the city.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

A floating cat sanctuary on an Amsterdam canal.

This Manhattan museum houses one of the largest collections of Spanish art and manuscripts outside of Spain.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

Visit the monolithic tomb of America's most famous general.

The "Seinfeld" diner.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

On the Hudson resides one of the largest clocks in the world.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

The small first-floor apartment where the author wrote her Pulitzer Prize-winning book 'Gone with the Wind.'

The world's brightest bioluminescent bay.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

The farmhouse owned by the Danish author who wrote "Out of Africa" is now a museum honoring her legacy.

This colonial fort is an intriguing example of Renaissance military architecture.