A wall of chewing gum moonlights as collective art.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

The flock of plastic poultry is an ode to the classic comedy staple.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

The first spinning jail built in the United States is the only one that still turns.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Prehistoric animals decorate this popular outdoor park.

This glass-stain Mary attracted thousands of pilgrims until her head was shattered by a vandal with a slingshot.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

A line of blue paint marks the route of the inaugural parade.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

Look closely and you’ll notice that the color changes a third of the way up the tower.

An overlooked memorial honoring the local Washington residents who died in World War I.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

The "lovely red Vega" of the legendary record-settling pilot.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

The site of the climactic scene from the classic horror film is now a historic landmark.

In one Chicago park, a trio of werewolves are waiting to devour their fallen brethren.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A colorful square marks the heart of the city's LGBTQ community.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.