Sacred Indian temple that’s all monkey business.

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

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

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

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

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

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Budapest's Communist-era statues, banished to the suburbs.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

Stockholm's deepest subway station is also a stunning ecological wonder.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Once America's tallest structure, now a Baltimore landmark.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.

Step inside Lucy, the world's largest "elephant."