What happens when you cross a mayor and a painter?

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This no man's land slicing through the island is strewn with abandoned relics of another time.

An alchemist's “magic door” stands in the middle of a Roman park.

Breathtaking and huge 430 year old maps of Italy.

The elaborate crypt where Peruvian heroes of the War of the Pacific were laid to rest.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

Now containing the bones of the actual conquistador, instead of someone else.

A crumbling hospital from the 1850s on Roosevelt Island.

This aluminum “stairway to heaven” has impaled at least a couple of birds.

Tubing through a cave lit with glowworms is a magical underground experience.

A sweet symbol marks the place where torturous executions were once carried out.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.