Nature's biggest mammal swims in landlocked Oklahoma.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

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

The Italian revolutionary's legendary wife is portrayed on horseback waving a gun and holding her child in this memorial on the Janiculum.

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.

This medieval church in Rome was almost destroyed following a terrorist attack in 1993.

This small church was constructed over the ruins of three temples dating to the Roman Republic.

Plaques on its facade commemorate the Tiber's most destructive deluges.

A small cell adjacent to this church was once the bedroom for a renowned saint.

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

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

This statue is the only female representation of Rome's "talking statues."

An ancient Roman temple first dedicated to an emperor's wife is now a church.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

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

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

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

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

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

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

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

This curious, round temple is the oldest still-standing marble building in Rome.

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