A closer look at this somewhat faded hotel by the Corinth Canal reveals the architectural undertones of a genius.

The heads and relics of 179 monks slaughtered by pirates are on display within this Ceonobic Monastery.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

This ancient structure appears Roman, but was constructed during the 16th century and was utilized until 1911.

This graffitied 19th-century building was a prototype of European industrial architecture.

These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

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

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

This seaside sanctuary was once one of the most important religious sites for women in ancient Greece.

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

A Byzantine-era church hidden in a wooded area below the Acropolis.

This medieval "painted village" is famous for its geometric facades.

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

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This open air archeological site houses almost as much wildlife as it does classical religious artifacts.

This cemetery features modernist statues as strange as its name.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.