The literary king of the Jazz Age was born in this lovely Minnesota home which still honors his legacy.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

These curious caverns have been home to mushrooms, gangsters, and disco.

An unusual assortment of art, furniture, and other curiosities.

A museum within a museum, devoted to history's most questionable medical devices.

This lab's maddening silence is good for business but bad for sanity.

An architecturally-focused antique shop.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

The world's largest wooden structure.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

A 16th-century Andalusian palace.

An otherworldly art experience.

A Spanish town built into the cliffs.

The hidden ruins of an old hydroelectric plant reclaimed by nature.

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

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

This cemetery features modernist statues as strange as its name.

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

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

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

This abandoned mansion has a window for every day of the year, and is a temple for ghost hunters.

An open-air "garden" of mural art that changes weekly.

This mansion oasis contains gardens, sculptures, and fountains just off the busy Plaça Kennedy in Sant Gervasi.