An optical illusion found amid a logged redwood forest.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

Bits and pieces from the ill-fated Donner Party's winter cabins.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Quite simply the largest tree in the world (by volume).

Puzzling...this tree looks like an assemblage of dismembered monkey limbs.

These ancient sacred grounds granted amnesty to those who managed to reach them.

A controversial memorial at the place where Captain Cook met his violent end.

Watch the newest land on the planet form before your eyes.

The remains of the first saint from Alaska in the Russian Orthodox Church.

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

A trading post in the North Pole where children send letters.

An abandoned aircraft sits submerged in a lake in the Alaska wilderness.

The first declared National Monument in the United States.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A cemetery housing wild west legends in South Dakota.

Every president in history is immortalized in bronze in downtown Rapid City.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This black shoreline is made up of exploded lava particles.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.