A lush indoor jungle fills this bustling Madrid transportation hub.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

The notorious couple camped at this site after a bloody shootout with police.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

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

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

Bacteria and algae give the salty water its bubblegum hue.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

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

After the musical legend's death, his memorial was mysteriously graffitied in gold.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

The oldest continually used church in Minneapolis also sells great meat pies.

A butcher shop in Minneapolis has all the meats and cheeses you’d expect from any of its kind—except that all the products are vegan.

The only arched bridge made of stone on the entire Mississippi River.

This double-arched masonry highway bridge is the only structure of its kind in Minnesota.

When flour explodes, it's not a pretty sight.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

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