Copenhagen's celebrated theme park and gardens.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

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.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Gutted airplanes slowly decay in a Florida field.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

A Circus legend leaves an unexpected endowment.

Former villa and estate of James Deering developed to preserve native tropical forests.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

A community of collapsing homes more than a mile out from the Florida coast.

The celebrated eyesore created by starry-eyed sweethearts.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

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

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.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.