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

A wall of chewing gum moonlights as collective art.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

10,000 flowered plants bloom in the City of Roses.

A massive sea stack famous for its appearance in The Goonies.

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

The only remaining historic maritime signal station in the United States.

The most photographed house in Maine looks good enough to eat.

Its unique collection details the history of the state's svelte railroads.

Largest institutional collection of tomb figures from Western Mexico in the United States.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

A collection of birdhouses await curious motorists and avian squatters.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Famously misunderstood wonder of the ancient world

Ancient human remains unearthed around the iconic monument.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

The medieval woodcut-style artwork chronicles life in medieval London.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

An architectural oddity hides in plain sight on this iconic London bridge.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.