A bomb shelter and some fireplaces are all that remain of the house Fred Roberts tried so hard to keep standing.

One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

A second generation sun-powered marvel lights up the night.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

The world's second-largest sundial, made entirely out of stone.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

This 700-year-old street food market features baby octopus and soy donuts.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

Home to the deepest rift anywhere on Earth.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Resting place of Hollywood's immortals is also site of summer film screenings.

Elevated freight railway turned wildly successful urban park.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

The world’s first penitentiary, meant to be humane, drove men insane.

The world's largest piece of copyrighted artwork.