A toweringly silly piece of modern art has been delighting locals since the 1980s.

One of two giant blue cockerel statues erected with an intentional double meaning.

A sinkhole known simply as "The Hole."

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

A nursery specializing in strange and beautiful succulents and cacti.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

Ancient pueblos built into the base of a natural canyon wall.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

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

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

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

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

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

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

The palatial McDonald's that inspired Wesley Willis.

A trading post in the North Pole where children send letters.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.