This striking, two-toned confluence of rivers is visible from space.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

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

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

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

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.

Giant marble phalluses on the sacred island of antiquity.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

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

These sculptures were created by a 17th-century artist who had never seen an elephant.

For centuries, this gold mine was the powerhouse behind the Tokugawa Shogunate.

Stretching for 22 miles, the world's longest tree-lined avenue dates back to the early 17th-century.

See no evil, hear no evil, speak no evil.

Is this cat asleep or just pretending?

These unconventional "tub boats" let locals row around the island's turbulent coast.

This ancient shrine has been rebuilt every 20 years since the eighth century.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

Peace Park and the Atomic Bomb Dome.

This pair of small sea rocks has been "wed" using rope and ancient Shinto tradition.