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

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

A large replica of a monumental Roman inscription is located on the side of this museum.

This small Roman arch was transformed into a dwelling by the founder of the Trinitarian Order.

This large, circular tomb is the final resting place of the first emperor of Rome.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Its interior is adorned with some of the best examples of early Christian mosaics.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

These unusual rooms on wheels are holdovers from the 1960s.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The accidental discovery of this gilt bronze head led archaeologists to find the Roman Baths in the city of Bath

This restaurant's specialty is "a major enigma for food historians."

Famously misunderstood wonder of the ancient world

The hippo that stands on this university campus was once a drunken flea market purchase.

Garments from across the globe call this hidden gem home.