One of America's first dinosaur parks gives a window into Depression-era paleontology.

The world's first museum dedicated to the work of game-changing naturalist Charles Darwin.

The Origin of On the Origin of Species.

Repository for more than 22 million pickled specimens.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

The center of the only hemisphere that awards visitors with a commemorative coin.

A unique attraction and museum dedicated to exploring iconic roadside structures.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Jurassic theme park in the small town of Erlian.

Enormous statue of the Emperor of the Mongols.

The largest dinosaurs in the world, kissing above the highway.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Extraordinary rock formations in open Peruvian fields.

A vast landscape of craters created by meteorites.

An ancient forest of the Paleocene Age turned to stone.

Conifers from the Jurassic Period transformed into stone in Patagonia.

The Twisted Trees of Alticane are an unnerving grove of Quaking Aspen, apparently mutated from a single source, giving them a twisted and unnatural appearance.

Mount Nyiragongo has erupted at least 34 times since 1882 and is home to the world's largest lava lake.

Lunar landscape, a mud volcano and bizarre rock formations.

A remarkable geological formation resembling a forest made of stone.

A salt lake dotted with steaming limestone chimneys.

Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.

The largest known meteorite on Earth was too big to move.

Unexplained bald patches in the landscape grow and recede over time, as though they are somehow alive.