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

An ancient Egyptian temple in the middle of Madrid, Spain.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

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

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

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.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Five candy-colored villages on the Italian Riviera.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Fortified medieval tower house with lovely roof garden.

A mile-long navigable cave adorned with stalactites and stalagmites reaching up to 65 feet tall.

Bizarre dirt trail winds a narrow path above the tree line.

Monkeys lounge around at this 13th century temple.

Where an entire elephant skeleton, a snakeskin table runner, and thousands of animal remains become art.

Thailand's distressed elephants find peace at this Chiang Mai sanctuary.

Modern design and unusual architecture make this mountaintop temple no ordinary Buddhist retreat.

A white Buddhist temple with a golden restroom.

Buried in the Laos jungle is a sanctuary for bears that would have otherwise been milked to death by poachers.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.