Rome, Italy

Built on the site of a miraculous August snowfall, this major basilica dates from the early 5th century. The huge church is lined with Byzantine mosaics and contains many important relics.

Santa Sabina is the best surviving example of an early Christian church in Rome. It dates from about 430, including its magnificent cypress doors carved with biblical scenes.

Designed by Borromini, this impressive Baroque church is dedicated to St. Yves of Britanny, a lawyer who became a monk and fought for justice.

Completed in 1651, this monumental fountain supporting an obelisk in the center of the Piazza Navona is one of Bernini's most famous works.

On this ancient bridge over the Tiber River in 312 CE, Constantine the Great defeated Maxentius to become the sole Roman emperor of the West.

Designed by Hadrian around 125, the Temple of Venus and Roma was the largest temple ever built in Rome and the last one to remain in use after the rise of Christianity.

The bell tower of Santa Maria Maggiore, an attractive structure of brick with polychrome discs, dates from 1377. It is the highest tower in Rome at 240 feet (75 m).

This twin-towered Renaissance church in Rome is best known for its iconic position atop the Spanish Steps.

One of the most famous monuments in Rome, the beautiful Trevi Fountain was created in 1762 by a little-known poet-architect.