The remains of centuries of copper mining appear like an alien landscape.

This memorial garden is the final resting place of many beloved pets including that of a famous explorer.

The ancient latrines of the Greeks, in all their public glory.

Remnants of the Roman empire's northern frontier nestled in suburban Glasgow.

The best-preserved Roman small town in North Africa.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

This overlooked, beautiful convent hides an original Hieronymus Bosch among its many treasures.

The hometown of a beloved manga artist created a treasure hunt for his popular ghostly characters.

Modernist design and funerary customs meet Spartan traditions in this one-of-a-kind graveyard.

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

These mysterious circular formations are actually remnants of 19th century gristmills.

The final resting place of one of the most influential modern occultists.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

These abandoned ruins in the middle of Jaffna have withstood centuries of tumultuous power struggles.

With print dying, this local paper keeps the lights on by doubling as a stunning cafe and cocktail bar.

This fountain tucked away in a park is the focal point of the only "Green Basilica" in Germany.

A crumbling watchtower and a lighthouse overlooks the site believed to be the Sirens' cliff in the "Odyssey."

This granite mountain is the largest rock in Africa and the second-largest monolith in the world.

A gigantic collection of teeny, tiny books.