A museum capturing one of the world's most famous classical composer's battle with hearing loss.

This museum is dedicated to the little known ancient Roman history of Vienna.

Museum devoted to the artificial language of Esperanto.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

Handsomely crafted representations of our round planet.

Op-art architecture designed for happiness.

The topiary maze at the Habsburg hunting lodge.

Dine amidst exotic plants at this former royal greenhouse.

This former insane asylum now holds a pathological anatomy museum.

An ancient Egyptian obelisk is now used to commemorate fallen Italian soldiers.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

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

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

This is the oldest Roman-made bridge in the city still existing in its original state.

This ancient market is often referred to as the oldest shopping mall in the world.

The "Great Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

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

2300-year-old Roman road connecting the empire.

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