These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

Faces carved into the cliffs create an otherworldly walking trail.

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

Symbolic attempt to overcome the issues of life.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A gregarious Ohio resident has been building his whimsical temple to peace for decades.

This unincorporated community in western Ohio got its peculiar name from John "Daddy" Baker.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

A unique collection of Swiss art brut and naïve art displayed in an old warehouse.

A 200-year-old tavern challenges guests to finish a glass of wine while hanging from a ceiling beam.

This eclectic architectural gem played witness to Zurich’s colonial past.

This unique preservation is one of the only taxidermies in the world made with real whale skin.

A symbol of friendship between the mountainous regions of Switzerland and Bhutan.

Over 3km of caverns and caves at the Switzerland-France border contain the largest underground river in Central Europe.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

This charming fountain honors Felix Salten, the creator of the iconic storybook deer.

Museum featuring strange and enchanting toys of the past.

Natural history museum displaying a famous taxidermied St. Bernard.

These magnificent 240-year-old machines are considered distant ancestors of the computer.

Museum of science fiction, utopias, and extraordinary journeys of the mind.