To find the "unicorns of the deep" you've got to go downstairs.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The 28,000-year-old specimen is remarkably intact.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

This morbid scene depicts the Darwinian drama of death on the African savannah.

This impressive scene portrays the elusive forest giraffe of Central Africa.

This poignant display is now a memorial to these regionally extinct species.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

Here be dragons.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

A celebrity from the late Cretaceous period.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

North America's first frozen mummified remains of an ice age steppe bison, the 36,000 year-old mummy named "Blue Babe."

Largest collection of mounted dinosaur specimens in the world.

The first and only carousel with a lineup entirely of insects.