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

Nicknamed "Karri Knight," this Eucalyptus was planted in 1895 and stands at 72 meters.

This small, lush island has a long and bloody history.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

This small chapel holds the mummified heart of one of the heroes of the Greek Revolution.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

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

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This giant sculpture made of trash is a critique of society's wastefulness.

This 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

World-famous, Pink's still manages to keep its prized cult fetish status.

A few iconic structures are all that remain of America’s first outdoor shopping mall.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

Ingenious bakery opens up the first Cupcake ATM at their flagship location in Beverly Hills.

An extensive collection of ancient Egyptian artifacts and mummies.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Large miniature theme park with 100-plus models.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Go inside to really appreciate this 500-year-old technological masterpiece.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

There's nothing creepier than a cemetery next to a clown motel.