Home to Hollywood history and a very special salt crystal.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Three columns of volcanic rock shoot out of the ocean.

This replica of the Greek structure is in the heart of Nashville.

Copenhagen's celebrated theme park and gardens.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Megachurch turned Catholic church comprised of 10,000 glass panes.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

Legends surround this jagged rock formation in the New Mexico desert.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

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

This expansive bridge in the Canadian wilderness was originally just built for friends.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The second oldest continuously operating bar in Louisiana.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

San Francisco's newly reopened hands-on science museum.