An allegedly haunted testament to a local businessman's desire for status, posterity, and charity.

This research hub in the Amazon Rainforest is perched amid one of the world's most biologically diverse landscapes.

This candy-striped tower is the farthest east you can go in the United States.

A monument marks the beginning of the longest north-south road in the United States.

A giant telephone commemorates the last "crank" call ever made in the U.S.

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

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

Gutted airplanes slowly decay in a Florida field.

A creative deviation in this post office's design was once a source of controversy.

Florida’s half-sized replica of the Vietnam Veterans Wall.

Owned by no one but beloved by all, Brownie was a good dog.

A thriving Black community was destroyed by an angry white mob at this site in 1923.

The smallest post office in the United States is no bigger than a broom closet.

A 1950s eccentric's vision of Eden preserved as a hiking trail.

Home of mutant livestock.

Cannon designed to fire an atomic warhead.

This mid-19th-century dugout was once home to a Swedish family as they erected their homestead.

This 100-foot tall bluff located in the western plains of Kansas overlooks a massive reservoir.

This three-dimensional brick mural is the longest of its kind in the United States.

This museum houses artifacts from American adventurers and filmmakers Martin and Osa Johnson.

This century-old painting of a portly 10-foot-tall man spent years hidden behind plaster.

This statue is an ode to an iconic roadside advertisement popularized during the 1970s.

This historic early-20th-century building still boasts some of its original features.

Hundreds of samples of "Devil's Rope" hide in a defunct vintage elevator.