A lovely summer day by the sea becomes a nightmare.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

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

First planned industrial community in the United States.

The only arched bridge made of stone on the entire Mississippi River.

20,000 pieces in a Frank Gehry-designed building.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

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

A bizarre house filled with an astounding array of collections.

Theater has had many different incarnations but has survived the ravages of time.

These pretty kitties killed and ate as many as 135 railway workers.

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

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Ming Dynasty necropolis raided during the Cultural Revolution.

Moscow's imposing monument to the Space Age.