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

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

A pair of gigantic baby heads greet passengers at Atocha Station.

A lover's walk between hilltop towns, decorated with graffiti love notes.

Five candy-colored villages on the Italian Riviera.

An often overlooked ancient site in downtown Athens with substantial history (and nature).

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

This Ottoman-era church is hidden amid a busy tourist area.

A preserved portion of an ancient Athens barrier is displayed in a hotel basement.

Underneath one of the region's most historic roads lies the home of Plato's successor.

These caves secretly held national treasures during World War II.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

After being lost for decades, this striking mural depicting the atomic bomb covers the wall of a busy Tokyo metro station.

A Buddhist temple to honor insects that died for science.

Shrine to Japanese water-goblins, complete with their preserved body parts.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

Not quite the menace it once was, this monster still has some chops.

The original "capsule building" is a masterpiece of Metabolist architecture.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

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