Island where motor vehicles are banned -- home to the only carless highway in the United States.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

Two Ming Dynasty lion statues guard the entrance to the journalism school.

The iconic remains of the original Academic Hall that burned down in 1892.

The magazine keeps a perfectly groomed display garden for its photo shoots.

The notorious couple camped at this site after a bloody shootout with police.

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.

The site of the climactic scene from the classic horror film is now a historic landmark.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

The most loyal of little dogs, or a Victorian era publicity stunt?

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

A towering work of stone and philosophy that was constructed using ancient Hindu science.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

A blooming house of worship for the masses.

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

A miniature baseball stadium honoring Johnny Rosenblatt Stadium, home of the College World Series from 1950-2010.

A historic arena where the Beatles played their first concert in the U.S.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.