Bizarre Cavern.

A museum dedicated to exhibiting remarkable outsider art.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Home to the deepest rift anywhere on Earth.

For thousands of years, Native American hunters drove buffalo straight off this cliff in Montana's Yellowstone Country.

An entire town preserved as a historic landmark.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

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

An architect's childhood fantasy treehouse made real.

A beautiful geyser under environmental threat.

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

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This 19th century granite fortification is one of the most well preserved forts in New England.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

The eccentric mansion of one the most popular horror authors of modern times.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

The only presidential monument to display a late POTUS's actual casket.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

Inside the unassuming cemetery chapel is a magnificent stained glass window and mosaics.

Two dozen pinball games hidden away inside a most unlikely location.