One of the last full-orchestra recording studios in New York City and an acoustical marvel.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

A meditative space out of a fantasy story.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Arguing within this idyllic, circular volcanic lake is forbidden.

An isolated beacon with a history of grisly murder and a view of some of literature's greatest inspirations.

"Polynesia on the Plains."

Home to the deepest rift anywhere on Earth.

Private collection of art inspired by cabinets of curiosity.

Tiki luxury on Nob Hill.

A 140-year-old castle with underground caves hidden in San Francisco.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

Frida Kahlo's childhood home, now a museum of her life and works.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Enormous statue of the Emperor of the Mongols.

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

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

Where Venice's gondolas go for a tune-up.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

100 year tradition of fist fights, marked by marble footsteps.