Learn about the history and hopeful future of Maine’s nesting birds at this interactive Audubon facility.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This architectural onion has an original 1930's Jerry O'Mahony dining car at its core.

This massive solar system model is sprawled out across Maine's suburban wilderness.

The world's longest covered bridge is a quaint and incredible wooden tunnel.

One of the most historical literary characters continues to stroll his hometown.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

Cryptid lake monster honored with its own monument.

Scary metal statues adorn some of the signature buildings of Burlington, Vermont.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

What appears to be an ancient Roman temple is actually a Catholic church.

This sturdy, circular stronghold served as one of the forts that protected the Venetian Lagoon.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

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

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The walls and streets of the ancient city are peppered with penises.

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

These medieval skyscrapers dominate the skyline of this small Tuscan town.

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

Erotic art covers the walls of the largest ancient pleasure palace.

Medieval torture techniques with a modern conscience.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.