A window into a long-lost world, these colorful tiles advertise a long-defunct range of purgative teas, harmless smokables, and diarrhea cures.

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

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

A wall of chewing gum moonlights as collective art.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

This former coal gasification plant found a curious second life as a popular public park.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

Historic funicular railway, believed to be the shortest railroad in the world.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Rustic natural hot springs in the deciduous rain forest.

The magic's in the hole!

The private clubhouse for the members of the Academy of Magical Arts.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The rocks in this arid basin leave trails of movement behind them.

A hand-built folk art installation covered with messages of God's love.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.