Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

A floating cat sanctuary on an Amsterdam canal.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

A curious collection dedicated to human and animal anatomy and pathology.

A friendly monster lurks outside the State Library Victoria.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.

The platform atop this verdant volcano was built with the help of a royal elephant.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Largest Kauri tree in New Zealand.

The once and future home of New Zealand's famed Pink and White Terraces.

Deadly scalding and one of the largest hot springs in the world.

A Maori village obliterated by an 1886 volcanic eruption.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

One of the world's largest Tesla coils.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

These colossal desert barcodes have been fine-tuning spy satellites for decades.