The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A collection of full-size movie monsters opened to the public.

The Boston square dedicated to the dark poet who was born nearby.

An eccentric inventor's castle home with its own indoor weather system.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

FDR's Art Deco hospital tower was hopelessly inefficient.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

The land is home to swimming ponies and a legendary 18th-century treasure.

The only remaining Cold War–era Minuteman II missile control center in Missouri.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Everything in this miniature world was handmade from matches, paperclips, wires, tin cans, and other everyday objects.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

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

There are eight natural springs around town, each with a slightly different taste.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This spectacular track has run continuously since 1882.

This super steep hike ascends 2,000 feet in less than a mile.