The birthplace of the builder of the Statue of Liberty is now a museum dedicated to his work.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

These lush botanical gardens employ the most purrfect pest control force.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

The historic bar where local ship captains, traders, and gold miners would come together to do business a century ago.

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

A wall of chewing gum moonlights as collective art.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The stunning interior of this Gothic church is covered in ornate gold details.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Hear the quietest sound from across the dome.

A student driver's nightmare.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This Japanese treats shop may have been the first business to mass-produce fortune cookies in the United States.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.