The world's third-largest scale model of the planets.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

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

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

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

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

An easy-to-miss plaque marks the building that first held this 19th-century telephone innovation.

An abandoned gun-funded 19th century utopia.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.

Guns that have been defending San Francisco since 1904.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

The king of U.S. high points towers over every other peak on the continent.

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

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A museum marks and documents the site of the Titanic's launch.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This short bridge is the only thing connecting a tiny Irish island to the mainland.