The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

A uniquely lettered street sign marks the corner where the iconic word game was invented.

From printing money to live music, this Beaux-Arts style building has had many identities over the last century.

The world's only known button museum.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Baked in 1898 and still almost flawless, this floral masterpiece is considered the world's oldest complete wedding cake.

It's believed Matilda Fitzwalter's life was the basis for the famed literary figure.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

A sprawling maze of used books piled from floor to ceiling.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

The world's largest squirrel statue clutches a pecan bigger than your head.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

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

This giant squid sculpture sits near the spot where a real-life specimen was captured in the late 19th-century.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The blinking light atop the iconic landmark has been sending secret messages for decades.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

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

Far from the shore, this sandy victim of the Skeleton Coast looks like it was plopped in the middle of the desert.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.