A wall of chewing gum moonlights as collective art.

This working class sculpture pounds his hammer all the livelong day.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

This unique Seattle structure was designed to be the greenest commercial building on the planet.

An allegedly haunted mansion with a tragic, tawdry past.

Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Illegal drag racing two stories beneath Chicago’s streets.

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

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

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

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

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

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

World's second largest particle accelerator, where nature reveals its secrets.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

A hidden grotto on the grounds of the Kane County Government Center.

Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

A science teacher's dream.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.