The largest self-built castle in the U.S., six decades in the making.

This small piece of railroad history sits behind the parking lot of a chain grocery store.

Check out a hidden collection of vintage neon signs.

This Colorado gallery is primarily for cars, but its collection also includes quilts, pottery, and more.

Once named the “world’s oldest gas station” due to its unusual construction material.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

Visit a family-run restaurant that has been serving the epitome of soul food for more than seven decades.

Community bookshelf of 25-foot-tall book spines.

The impeccably spiced roast pork buns at this bakery are worth the wait.

A riverfront park that both remediated and preserved its industrial past.

A scenic fort on the harbor protected Philadelphia from an attack that never came.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Step inside Lucy, the world's largest "elephant."

Memorial built in 1922 in remembrance of WWI casualties.

If it feels like a speakeasy, that’s because it probably was one.

Once forgotten, this strip of sand was a rare beachside haven for Black Americans in Atlantic City.

Amazingly, this old machine within the Resorts Casino still functions.

This whimsical fountain pays tribute to Toronto's four-legged friends.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

This location of a Mexican chain restaurant has a unique location: an old jail.

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

A collection of artifacts from Maryland's maritime past.