A mysterious suspended hand greets unsuspecting visitors at the Tower of London.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

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

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

The only ancient site that remains on the south bank of the sacred Ilissos river.

The burial place of one the greatest Arthurian authors, with the sword in the (grave)stone.

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

A memorial dedicated to a tragic event during the Axis occupation of Greece.

A grotesque collection of wax limbs depicting the symptoms of venereal disease.

Since 1969, this restaurant has served up dishes typical of Istanbul's Greek diaspora.

Large collection from the 3rd millennium BCE.

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

This small museum once served as a royal hunting pavilion for King Otto Friedrich Ludwig.

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

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This post-Ottoman era church in Athens was built by locals to serve the residents of Anafiotica

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

An ancient Greek monument and a Byzantine church coexist inside this cave.

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

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

Gladiators once walked this ancient, subterranean passage.

A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.