This midcentury LA bar was the birthplace of tiki culture.

A colorful architectural gem in Seattle’s uniquely modern Central Library.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

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.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

Montreal's colorful subway station shows its support of the local LGBT+ community.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

For a brief moment, the world was given a flicker of the future of fast food, thanks to a visionary inventor.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

These locks on North America’s oldest canal are named after a porcine rock formation.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.