Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Humble beginnings for one of the world's most famous scientists.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

Site full of incredible prehistoric paintings and archeological findings.

An art museum with an eclectic design and a scandalous past.

A 125-meter long "tribute to the Brazilian people."

Beautiful public park off the beaten path and away from tourists.

Plagued by riots, celebrity injuries and a tragic death, this amusement park has been demolished.

This small primate research island is teeming with playing, fighting wild monkeys.

A puppy slum that protects canines from the cruelties of the human slums.

Former drug lord’s manor, now a theme park. Watch out for the hippos.

A flooded Mexican cave that hides a river beneath the water.

A small but industrious mining operation that allows visitors to touch precious gems while they are still in the rock.

Solitary monument dedicated to the beauty of nature.

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.

The silly symbol for an underground protest group is now scattered around the city.

A swing to dangle you off the very edge.