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

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

This magnificent Cincinnati graveyard is also a popular public park.

An art deco ice cream shop covered in vintage train station tiles.

Rare recess caves fill this unbelievably beautiful Ohio park.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

Take a drunken tour inside the world's largest known geode.

Years of archaeology, just chillin' by the water cooler.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

Abandoned silver mine strewn with wrecked and twisted structures.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

America's oldest archaeological site or a muddled case of wishful thinking.

This large midwestern cavern features impressive rock formations and an underground waterfall.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A common entry point to the Griffith Observatory trail holds its own wonders.

Only known mainland rookery of the threatened Stellar sea lion.

This historic hotel invented the chocolate brownie.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

One of the last free public hot springs is decorated with hippie art.