A tree grown from astronaut seeds which were exposed to cosmic rays.

Hidden in the back of a disused small town hotel is a dive bar shellacked with over a million pennies.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

A remote crossroads honoring a fallen talent.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

Steinbeck's old stomping grounds, immortalized in Cannery Row.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

An abandoned boat that's been stranded mysteriously for decades.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The most visited, and possibly most controversial, museum in Germany.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A spiritual vortex among the red rocks in Sedona.

An urban laboratory.

An homage to everyone's favorite prehistoric cartoon family.