Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This massive redwood tree has a hole in the base big enough to drive through.

The largest permanent Monopoly board makes one of the longest games even bigger.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This historic national park is covered in the stunning ruins of red rock pueblos.

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

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A trash dump made beautiful by nature's power.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

This glamorous old building is said to have inspired the Tower of Terror.

A wall of chewing gum moonlights as collective art.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

This former coal gasification plant found a curious second life as a popular public park.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

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

A house carved into a rock in the 1940s.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.