This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

This haunting stone chasm is a hotbed of mossy rock and English legend.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

An encyclopedic collection of mammal penises.

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