The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

A once grand hotel is being retaken by the wilderness it once capitalized on.

A castle built for love, and abandoned due to heartbreak.

The purported world's shortest international bridge connects a homeowner in Canada to his backyard in New York.

Rock face that shares a name with Mary Shelley's famous doctor.

One New Hampshire alleyway has become home to a public gallery of feline art.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

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

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

This town is home to the world’s largest arch constructed entirely of elk antlers.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

The second tallest railway trestle bridge in America.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A giant toy jack made of numerous welded-together fire hydrants.

Cryptid lake monster honored with its own monument.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

One car at a time please.