Exquisite irises bloom every spring in this hillside garden.

A faux European lane smack dab in downtown L.A.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

A mysterious spirit totem at the edge of Navajo lands.

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

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The second-deepest known cave on Earth, hidden in an extremely remote mountain region.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The 1920s child prodigy author was last seen here at her Brookline home before vanishing at age 25.

A tribute to the women who quietly kept the local steelworks alive during both world wars.

A modern temple with an ancient philosophy.

Ride a boat through this magnificent underground world, which now doubles as a theater.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

A ghost town revived by hippies and wanderers throws its own special brand of holiday parade.

A rare kind of blue bear can be found chiefly in the national park that shares their name.

Dramatic river bend surrounds a natural red-rocked pedestal.

A prized globe signed by Amelia Earhart and Charles Lindbergh sits in the Brooklyn office of the American Geographical Society.

The oldest continuously inhabited street in America.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

The rustic think-space of famed naturalist John Burroughs stands exactly as he left it.