The former home of Samuel Clemens and family remembers the happiest period of the author's life.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

Marta Becket's hand-painted theater in the desert.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

This massive redwood tree has a hole in the base big enough to drive through.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

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

The ghost town that ended up on Ebay.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

An extravagant western hotel where every floor is the "ground floor."

The Ozarks' strangest dwelling.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

See massive fossils that are over 200 million years old in northeastern Arizona.

Joe Minter is only doing the work of God in his yard, he says.

A contemporary fresco movement illustrates the region's rich history.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

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

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.

This unreal Portuguese palace looks as though it's made from a pile of different castles.