This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A museum dedicated to exhibiting remarkable outsider art.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

During the renovation of this bas-relief, the constructors added one unusual element.

An astounding collection of medical specimens, including bits of President Lincoln.

A former pillar of the Black community in Ellicott City.

A winding district gerrymandered into the shape of a mantis.

Breathtaking and huge 430 year old maps of Italy.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

This cheese shop also houses a museum devoted to Dutch dairy.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The ancient latrines of the Greeks, in all their public glory.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

The largest catacomb system in the world.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

The only Leonardo Da Vinci painting in the Western Hemisphere.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

A work of art that pays homage to a Victorian timepiece in Providence.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.