Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This Gothic-style church is reputedly built atop the remains of one of Jesus's apostles.

The painted and decorated towers of this Hindu shrine were once the tallest structures in one of the oldest cities in India.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

Northern Ireland's Brobdingnagian stepping stones.

A stunning Victorian abbey and walled garden on a lakefront.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

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.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

The world's longest known cave system.

The first declared National Monument in the United States.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The site of Paul Revere's historic two lantern warning.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

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

A museum dedicated to the history and exploration of both popular music and science fiction.

Yo, Adrian!