Built by the patriotic residents of Boonsboro in a single day.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

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

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

The celebrated eyesore created by starry-eyed sweethearts.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

Famously misunderstood wonder of the ancient world

The only road through the heart of Glacier National Park.

"Polynesia on the Plains."

At the time of its completion, it was the tallest dam in the world.

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

A beautiful geyser under environmental threat.

This Wyoming town is fascinated by a particular mythical creature.

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

The first declared National Monument in the United States.

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

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This is one really big nut.

The world-record holder for the longest bridge stretching continuously over water.

This skewed English house has looked like it's going to fall over for centuries.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.