The largest known meteorite on Earth was too big to move.

Hidden in the hills is a mysterious stone structure, known only to a few.

These otherworldly caverns form Earth's oldest known cave system.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

Nelson Mandela lived here with his family from 1946 until his arrest in 1962.

Over 60 species of birds inhabit this colorful aviary park in South Africa.

An ancient impact crater on the outskirts of Pretoria.

Mined to a depth of 240 meters with a perimeter of about 1.6 km, the largest hand-dug excavation in the world.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

A beautiful viewpoint on the Garden Route overlooking a naturally-occurring outline of Africa.

Largest cave system in Africa.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

An icon of International Style architecture on the outskirts of Rotterdam.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

Atop this former dutch railway office sits an interstellar work of art.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

A grassy pyramid named after a French battle.