At a Bangkok bistro, one pot of beef stew has been cooking non-stop for more than 45 years.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A striking 12th-century-style castle built on the edge of a cliff.

The fairy tale castle of the "fairy-tale king."

Preserved portions of Athens's ancient defenses are on display in a subterranean parking garage.

Legend says this sacred tree was a gift from goddess Athena.

These sea caves are the source of Xigia Beach's distinct aroma.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

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

This slumbering beast honors the Bavarian soldiers who died in Greece during a 19th-century typhoid outbreak.

This beehive tomb built for royalty sat hidden for over 3,000 years.

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

This little Greek plateau is home to thousands of rustic, white-sailed windmills.

This striking sculpture of Icarus honors Greece's fallen flyers.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

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

Ruins of a 13th-century fortress perched above a breathtaking Mediterranean bay.

One of the largest single-span stone-arch bridges in the Balkans looks like something straight out of a fairytale.

Where commuters walk through remnants of an ancient Greek necropolis.

Temple complex that once housed the famous statue of Nike.

This secret coastal village is studded with pastel-colored houses all piled on top of one another.