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

This ancient hydrological marvel is now the base of a modern outdoor cinema.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

An ancient octagonal weather station named for the eight Greek gods of wind.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

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

The hallucinogenic center of the ancient world.

A modern temple with an ancient philosophy.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

This collection of lakeside pagodas and temples are flanked by giant lions, tigers, and dragons as well as their welcoming maws.

A licentious look into Singapore's past, full of disorderly bric-a-brac and disreputable characters.

A so-called Singapore junk store that is closer to a historical restoration center.

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

This rare wildlife haven in Singapore feels like you're in the tropical rainforest.

One of the largest Chinese cemeteries outside of China spent years overgrown and forgotten.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

A Buddhist theme park brings you a Buddhist version of Hell.

This naval gun is fired every day at noon, an odd timekeeping tradition the origin of which is local legend.

It's estimated that half of the world's gold was mined from South Africa's "golden arc."

The world's largest impact crater is mainly eroded but still remembers the planet's violent history.

This small monument marks the divide between the Atlantic and Indian Oceans at the southernmost tip of Africa.

Caves that can't seem to quit producing the remains of prehistoric humans.

South Africa's postal service began with a letter left in a boot beneath this tree.

Mined to a depth of 240 meters with a perimeter of about 1.6 km, the largest hand-dug excavation in the world.