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

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A historic neighborhood church is reborn as a psychedelic arts collective.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

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.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

Brace yourself for the slowest, scariest, most spectacular drive, down the Drakensberg Escarpment.

The loneliest plant in the world resides at the Durban Botanic Gardens...mostly.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

The South African dialect's complex history is immortalized in stone, in one of the world's only monuments dedicated to a language.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

A mesmerizing sculpture marks the site where the activist was arrested after evading capture for 17 months.

The original goat tower, the one that started it all.

A safari-themed castle in the South African bush with the largest maze in the southern hemisphere.

A growing popular hipster market with over 100 local specialties and live music.

These otherworldly caverns form Earth's oldest known cave system.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.