This fantastical waterfall is hidden in a cave located in a cracked cliff.

Rising from the sea like a stone monster.

Staves, storm-calling, and of course, necropants.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

This extraordinary geological oddity resembles human-made pavement.

A small, but award-winning beach known for its literally spotless reputation.

The only pollutant in the clear blue water is sunscreen.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

Australian Lake set aglow by Noctiluca Scintillans.

An Australian lake whose pink hue defies scientific explanation.

The grandest stage for the world's foremost masters of invisible instruments.

One of the world's most unusual events combines headbanging and needlework.

Pigduck of Turku.

This lonely rock has been turned into a character loved and feared by children.

Nuclear waste experts study this prehistoric crater lake to envision landscapes one million years in the future.

An abstract monument to a symphonic composer.

A collection of collections ranging from dentistry to minerals.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

Menacing or in memoriam, the Silent People and their meaning are left to interpretation.

A subterranean house of worship carved right out of the bedrock.

Once overlooking the town, this church now resides on a permanent tilt.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.