A medieval stronghold rising over the ruins of ancient Roman villas along Rome's southern coast.

Roman politician Herodes Atticus built this nymphaeum to honor his wife, whom he may have murdered.

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

These artificial caves crafted by ancient Romans were elaborate fish farms for moray eels.

This ancient Roman bridge was a key feature of the ancient Via Salaria road.

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

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

You can still find treasures on the pebbly beaches of one of the world's oldest jade-producing areas.

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

Crushed coral and crystals give the sand its signature coloration.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

When waves crash onto this section of beach, the rocks sing a song.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

Three acres of mythology-inspired sculptures are visible from the highway.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

The first and only carousel with a lineup entirely of insects.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

Nature and beauty amidst pollution and industrial wreckage.

This secluded ruin was once a home for exotic plants.

Fantastic collection celebrating the final send-off.

A museum celebrating the Victorian obsession with hair art.

The relics of dozens of martyrs are stored in a single chapel.