This large copper bolt represents the benchmark for measuring sea levels in most of Europe.

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

A 19th-century cabin built into a hollowed-out Sequoia tree.

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

Four hundred granite steps were built into this massive rock by the National Park Service.

This hidden fire lookout offers spectacular views of Sequoia National Park.

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Towering basalt columns, a creation of fire and ice.

A natural dome made of volcanic glass in Inyo National Forest.

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

Museum celebrating the achievements of the Soviet space program.

This sculpture forces visitors to confront their relationship with space.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

This edible park is open to any and all foragers.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Over 75 historically themed murals grace the walls of a small Washington city.

Perhaps the world's only gas station inspired by a political scandal.

In Washington's Yakima Valley lies a town "where dinosaurs roam."

Not far from Mount Rainer, an iron wonderland claims the landscape.

Its 27 graveyards represent the many nationalities and ethnic groups that voyaged to this wilderness in the late 19th century.

A bust of the first president welcomes visitors to the only town in America called George, Washington.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.