The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The original location of Vollis Simpson’s Whirligigs.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

A museum dedicated to the legacy of Bob Moog and his pioneering synthesizers.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

A psychological self-portrait in the form of a giant, segmented head.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

A piece of outsider public art accompanied by a strange urban legend.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This bridge is haunted by the ghost of a distraught mother.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

First built around 1848, this bridge was destroyed by arson, but original timbers are included in the replacement.

The longest-covered bridge in the state of Maryland.

This hidden treasure provides a charming access point along the south side of Baker Park.

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

The smallest covered bridge in Maryland.

FDR's Art Deco hospital tower was hopelessly inefficient.

The hidden ruins of a mill that is linked to an attempt to assassinate the vice president of the United States.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

A star fort along the C&O Canal in western Maryland that protected America in three wars.