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

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

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

Tracks of ceratosaurus and Coelophysis rhodesiensis tracks can be found fossilized in the sandstone near Mt. Etjo.

Bizarre living fossil only grows in a small chunk of the Namib Desert.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

Unexplained bald patches in the landscape grow and recede over time, as though they are somehow alive.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

A little sculpture with a large wardrobe.

Single runway interrupted by a busy road that cuts across its middle.

A historic observatory precariously perched at the "Top of Europe."

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Macabre astrological automaton clock dating to the late 1400s.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

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

Largest cave system in Africa.

The world's largest impact crater is mainly eroded but still remembers the planet's violent history.