The world's deepest and most deadly dive sites include old nuclear missile silos, blue holes, artificial dive pools and caverns over 300 feet deep.

Extreme altitude, highest places in the world, highest cities and villages on the planet, and most remote high altitude geographic locations on earth.

The following collection has a mix of the longest, deepest, and widest (in area) canyons and gorges from around the world.

The most remote islands on earth, islands in lakes, the smallest islands, islands in cities and other amazing islands.

Fire artists come in all kinds - from fire dancers and performers to sculptors, architects and builders. Modern fire performance has taken an huge range of directions.

Photographers who capture amazing HDR, macro, long range, underwater and nighttime images of landscapes, animals, weather phenomena and more.

Let's take a brief journey through some of the more interesting aspects of our moon.

Some trees are just breathtakingly spectacular, whether by their size, age or shape or other unique characteristics - from the oldest to the largest and more.

Learn about tropical rainforests, important woodlands and other significant forests that are threatened and endangered.

Examples of rock-cut architecture that have been skillfully carved into cliffsides and monoliths for temples, dwellings and other purposes.

15 of the world's most stunning eco resorts, national parks, nature preserves and other destinations.

This post celebrates each of the four seasons and the beauty they bring us.

A guide to mazes and labyrinths from around the world including chartres mazes, corn field mazes, brick mazes, stone labyrinths and the oldest, largest mazes.

From ugly-but-life-saving to extraodinarily-beautiful-but-killer flowers, here are some of the most exotic or endangered plants, flowers, trees and forests in the world.

Learn about dangerous, lethal poisonous animals like insects, fish, birds and venomous animals including bullet ant, cone snail, candiru, and blue ring octopus.