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

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

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

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

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

Home to a protest movement, a bombing, and a dramatic change in labor history.

A 19th-century horse lover's bequest led to the construction of this unique fountain in Chicago.

A hollow cement depiction of time's inexorable effect on the human body.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

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

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

Acres of natural wonders left behind by a socialite-turned-gardener.

A Roman-style column in Oregon hides a spiral staircase inside.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A controversial memorial at the place where Captain Cook met his violent end.

Watch the newest land on the planet form before your eyes.

This black shoreline is made up of exploded lava particles.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Hundreds of handmade critters fill this tiny window gallery in the heart of Portland's Alberta Arts District.