This bridge provides safe passage for squirrels.

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

These six walrus head statues harken back to a time when this area wasn't far from the oceanfront.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

Where a brain, a beauty, a jock, a rebel, and a recluse met one Saturday and changed their lives forever.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

California's first suspension bridge.

Enormous lake at the bottom of a unique cave system.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

The "worst battleship ever built" is enjoying a grand second act, submerged 30 feet in the Gulf of Mexico.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This outdoor observatory offers stellar views and a scale model of our solar system.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

Stretching for 22 miles, the world's longest tree-lined avenue dates back to the early 17th-century.

A forgotten "city of water" underneath the famous Trevi district.

Europe's official "zero-level," the equator of elevation.

In the Hugging Tree Forest, lingonberry marshmallows, hot chocolates, and the best campfire lattes north of the Arctic Circle come to you.