The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

The largest greenhouse in the world is home to over one million types of plants.

A fiery crater has been burning in the Karakum Desert since 1971.

This "floating island" plateau sits 7,671 feet above the forest floor.

A submerged village appears when dam levels drop.

Sloth rehabilitation center in the jungle of Costa Rica.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Queen of the waterlilies, so big and strong it can support the weight of a human.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Most famous work of one of Frank Lloyd Wright's sons.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

One of the most unusual geological features, recognizable from a dozen hit movies.

Towering basalt columns, a creation of fire and ice.

Acres of natural wonders left behind by a socialite-turned-gardener.

A house built from trash known as the poor man's Hearst Castle.

These azure waters were thought to lead to the Mayan Underworld.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

An alien landscape of chalk-rock in the Egyptian desert.