Iceland's largest lagoon is home to stunning multi-colored icebergs.

This abandoned five-star hotel is now a five-star urban exploration destination.

The stunning interior of this Gothic church is covered in ornate gold details.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

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

Ancient catacombs form the foundation for this Rococo orgy of a church.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

The corpse bride of Portugal.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

This Costa Rican topiary park is a surreal garden of unearthly delights.

This Costa Rican chapel is the most metal church in the world, literally.

The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.