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

This generously endowed statue once stood guard outside a Roman home.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

This colorful statue welcomes visitors to a Barcelona park.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

A popular swimming hole that hides one of America's most deadly diving spots.

An emerald-green grotto just a short trip from Austin.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

This memorial marks the devastating day that Texas City was destroyed in a daisy chain of exploding ships.

A medieval castle in the middle of rural Texas.

An entire home filled with over 3,000 pieces of Santa memorabilia in glass cases, walls, on Christmas trees, and even in the bathroom.

A Texas landowner spelled out his name with three miles of trees, a giant signature that's been used by NASA to evaluate satellite imagery.

The pit stop from "The Texas Chainsaw Massacre" now serves beef and pork barbecue, not people.

A unique cartoon-filled roadside attraction.

With print dying, this local paper keeps the lights on by doubling as a stunning cafe and cocktail bar.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

A small museum dedicated to the king of Western swing.