America's most famous piece of self-built architecture.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

Celebrating the transformation of trash into objects of beauty.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A trash dump made beautiful by nature's power.

America's oldest archaeological site or a muddled case of wishful thinking.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

Dr Barnes' $25 billion private collection of art and arboretum.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A one-of-a-kind collection of a unique medium.

A kaleidoscopic warehouse-maze of handmade neon signs.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

A son's promise to his dying father in the form of a covered bridge filled with thousands of seashells.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

Toy museum in a former tavern is the expression of one man's life pursuit of the aesthetic power of cartoon imagery.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.