Peek into a cave of giant, glimmering crystals.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

A Spanish town built into the cliffs.

The final resting place of the great navigator, or maybe his brother.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Also known as the "Red Taj Mahal."

The tallest statue in the world is twice the height of the Statue of Liberty.

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.

India's first open-air public art district sits in the heart of the country's capital.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

The beautiful 16th-century stepwell lies in the shadow of a famous fortress.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

An architectural marvel that dates back to the zenith of Indian architecture.

Half-size replica of the Taj Mahal.

An ancient iron pillar in Delhi that seems to be rustproof.

A startling, centuries-old subterranean marvel hides in plain sight.

A blooming house of worship for the masses.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.