One of the world’s most colorful cemeteries, where each pigment is symbolic.

This Costa Rican chapel is the most metal church in the world, literally.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

Disused penal colony features prisoner artwork, some sketched in human blood.

This Costa Rican topiary park is a surreal garden of unearthly delights.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Sloth rehabilitation center in the jungle of Costa Rica.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

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

This cemetery features modernist statues as strange as its name.

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

A bit of retro transportation flair preserved in the world's largest department store.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

One of only two commuter aerial tramways in the United States.

Elevated freight railway turned wildly successful urban park.

A crumbling hospital from the 1850s on Roosevelt Island.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.