A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

These azure waters were thought to lead to the Mayan Underworld.

Huge herds of Asian elephants can be seen walking, bathing, and just chilling at this Sri Lankan park.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Mysterious tombstones thought to be remnants of Atlantis.

Fortified medieval tower house with lovely roof garden.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Erotic art covers the walls of the largest ancient pleasure palace.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

Crushed coral and crystals give the sand its signature coloration.

Go inside to really appreciate this 500-year-old technological masterpiece.

Five candy-colored villages on the Italian Riviera.

The glowing blue Nymphaeum of Emperor Tiberius.

The oldest operating pharmacy in the world features 800-year-old recipes.

2300-year-old Roman road connecting the empire.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Rome’s legendary peephole vista is also a former Crusader stronghold.