The highest peak in the state of Vermont has some interesting features.

Medicinal spa created with the discharge from a geothermal energy plant.

Tucked in Mumbai’s wealthiest neighborhood is one of the city’s oldest and most sacred sites: a temple complex believed to house the waters of the Ganges.

In Mumbai, a bright blue synagogue is the largest one for the Baghdadi Jewish community in Asia.

This black church sits alone among a field of lava rock.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

The last resting place of the famous Native American princess is marked by a haunting monument.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

Liquor and flowers mark a holy site for Indian motorcycle riders.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

This quirky curiosity shop takes its cues from the world's bazaars.

This kitschy tavern is also home to rare early editions of "Treasure Island."

The ancient water tanks remain some of the ruined city’s most beautiful architecture.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

Nope, not Washington Irving's house.

Red frames showcase remnants of one of New York's original subway stations.