The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

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

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Artist Natividad Sánchez wrote a new ending for one of Roman mythology's tragic love stories.

A masterpiece of Rationalist architecture in the center of Madrid with lizards on it.

Impossibly life-like natural history models created out of glass by a father and son.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

Books you don’t need in a place you can’t find.

One philanthropist's extensive collection of knick-knacks and curiosities is now a public museum of oddity.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

This impressive Boston holy house is the American mecca for Christian scientists.

An anonymous art project beneath Longfellow Bridge where hundreds of trophies line the steel support beams.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

An enormous, inside-out glass globe built in 1935.

Narrowest house in Boston.

This historic folk museum celebrates the attention to detail that makes America great.

Inside this community-run museum, visitors are treated to the history of toys and games.

The oldest continuously inhabited street in America.

The early American colonists were such ferocious drinkers the law actually required every town to have a tavern.

An upstate New York garage advertises its services by literally putting the automobile above all else.

Take a trip back to the 1950s and the heyday of the road trip along Historic Route 20.