One of the largest trees of its kind in California.

The oldest standing structure in downtown San Diego.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

Concrete strongholds stand guard over the Golden Gate.

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

This 13-foot smiling peanut in Georgia helped Jimmy Carter win the 1976 presidential election.

This historic hotel invented the chocolate brownie.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

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

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

Funded entirely by volunteers and donors this military memorial features a tank with a comedy line on its barrel.

The proud hometown of an American legend has honored their favorite son with what seems to be a gravestone.

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

One of the oldest baseball fields in continuous use has been hosting games since 1878.

This old mill and former police station now present a world-class collection of Orthodox iconography.

This railroad tunnel was once the longest in Massachusetts.

This wooly sculpture supposedly marks the birthplace of a famous nursery rhyme, or not.

Keeping Ballard's heritage alive with delicious, lightly battered Alaskan wild cod.

This tiny home built on revenge appears to be scarcely wider than a Volkswagen.