The once great capital of Egypt now crumbles forward as evocative ruins.

This attraction is part anthropological journey and part amusement park.

Once a prosperous mining village, this tiny Taiwanese town is now overrun with cute cats.

A rare pod of derelict midcentury Futuro and Venturo houses lines a semi-abandoned beachfront resort outside Taipei.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

According to local folklore, this Roman sepulcher was once a throne for the Devil.

Enormous burial mounds of ancient emperors.

Although resembling a grand Buddhist temple, this structure is actually the largest mosque in China.

This ancient Chinese observatory still contains early astronomy technology.

A Neolithic celestial calendar standing in a nondescript wheat field.

This educational institution and reference library specialize in the psychic arts and mediumship.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

This ancient city - home to nine civilizations - is soon to be buried under 200 feet of water.

This temple contains what might be the world's oldest optical illusion.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

This frescoed ancient burial mound is a colorful window into China’s influence in early Japan.

Ancient cave tombs known as the "houses of fairies."

This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

This tiny chapel atop a sea stack is dedicated to the patron saint of Ponza, Saint Silverius.

A 2200 year old vessel may have been able to keep a charge.

An ancient fortified mound raised over the millennia from settlements built one on top of the other.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

9th century Abbasid mosque, damaged in modern warfare.