One of the world's best-preserved Roman amphitheaters is also one of the most unusual; it's made of black volcanic rock.

This sculpture made up of 22 bulbous bronze figures reminds locals of massive Weeble Woobles.

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

Photographs of the faces of the town's dead cover the walls of this small Italian church.

Some 46,000 years ago, a volcanic eruption led to a flooding event that carved this short canyon with steep vertical walls.

According to legend, this is the burial place of a mythical three-legged death omen horse.

Mysterious chains and iron stakes adorn this strange grave, with no explanation.

This subway station is named after a local legend about supernatural dancing cats.

During the French annexation, 36 prisoners were executed using this device.

A collection of historical engines and rolling stock from throughout Riga's rich railway history.

Unrefined, uneven, and unstable—this is the real McCoy of Pakistani suspension bridges.

This fine arts hall honors the mastermind behind our beloved creepy and kooky Addams Family.

A custom shop making factory that produces models for collectors and movies.

This fifth-century church is one of the oldest Christian sites in the Balkans.

Carved wooden graves mark the plots at this cemetery in an old mining town.

Workers have collected salt here in a process virtually unchanged since the Middle Ages.