The commemorative stone column conceals a secret laboratory.

The most southern point you can drive to in the Western Hemisphere.

This giant sculpture made of trash is a critique of society's wastefulness.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

A swath of France so devastated by war it is still forbidden to go there.

The narrowest street in Paris.

This museum dedicated to divination also honors a local 10th-century prophetess.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

This small town's local tradition is to create the world's tallest ice pillar.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

This charming candle shop has been in business since 1789.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

After visiting hours, this picturesque waterfall is essentially turned "off" to be used for hydroelectric power.

Watch the seas clash at the place where according to Maori tradition, the spirits depart for their journey to the afterlife.