The hallucinogenic center of the ancient world.

One of the oldest living oak trees in the Southeast.

This (occupied) house is 10 feet wide and full of spite.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

Baked in 1898 and still almost flawless, this floral masterpiece is considered the world's oldest complete wedding cake.

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

A massive marble foot is tucked away in a small alley near the Pantheon.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

This ancient trail climbs the mountain where a Latin League cult worshipped Jupiter, its main deity.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

Rome's ancient Etruscan rival, now a park full of ruins.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

A modern sliver of architecture in Roma.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

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

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

A Nesting Doll of Churches.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Architectural monsters are devouring this palace's every door and window.

The final resting place of the poets Shelley and Keats.