One man's attempt to create an artistic wonder on a run-down block in Detroit.

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

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

At 207 feet, one of the world's longest continuous escalators.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

Europe's largest prehistoric mound – burial site of a legendary king?

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The world's largest fire hydrant is supposedly tornado-proof.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

Washington's iconic carousel has a nice piece of Civil Rights history.

There’s a special club house at the top for the bell ringers.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The walls of the iconic dome are hollow and have a secret stairway.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

Largest Roman Catholic church in North America.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

Home to items never before seen by the public.