A self-built castle made by a mysterious man.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

More than five miles of underground passageways.

Asheville, North Carolina, was the the second place in the world to enjoy Kentucky Fried Chicken's secret recipe.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

Taxidermied cartoon heads, unseen illustrations, and famous characters all reside in this small gallery space.

The short-lived history of a new republic and British control in West Florida.

World's largest precision optical instrument used to detect Einstein's elusive gravity waves.

Roadside attraction with more than 1,000 stuffed and mounted animal skins displayed in simulated natural habitats with hand-painted backdrops.

The legend of a local monster still haunts this small town.

One of New York's most iconic authors is strangely honored by this Oklahoma park.

This unusually circular centenarian barn became a Route 66 icon.

The storied steakhouse is the last in a long line of Lebanese-owned supper clubs in Tulsa.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

Over 50 historic windmills whir away at this outdoor museum.

Celebrate the history of the rich and truly misunderstood relationship between man and pigeon.

These massive mitts are made of 30 tons of devotional bronze.

A church dedicated to the Mexican skeleton saint.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

Setting this massive marionette aflame rids Santa Fe of doom and gloom for another year.

This popular pilgrimage site offers a hole filled with holy healing dirt.