One of Amsterdam's narrowest houses is located right across the canal from its widest.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Now a museum, this building was once a 14th-century monastery and the place where the founder of the Dutch nation lived and was assassinated.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

A set of seven houses, each built in a style that represents a European country.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Tucked away inside a historic Savannah hotel is a hundred-year history presented in ladies' lids.

One man's extraordinary topiary garden in a small South Carolina town.

This stunning home looks like it belongs in medieval Europe, not North Carolina.

A hidden courtyard houses early 20th-century plaster masterpieces.

A futuristic-looking beach house built for the owner of a snack food brand.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

This historic Chinese church was relocated and revived as a museum that preserves and celebrates Chinese art, history, and culture.

The oldest standing structure in downtown San Diego.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

An inconspicuous footbridge beloved by San Diego locals.

A couple turned their front yard into an artistic masterpiece.

San Diego's most historic and haunted home.

Get fishing gear and craft beer at this restaurant on the pier.