The 25th President's marble casket can be visited in this classical Ohio tomb.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

This massive airship factory is so large that it has its own indoor weather.

For decades, this waterfall remained hidden because of an artificial dam.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

This fairytale-inspired cottage was created by a university literature professor.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A mega theme park-wax museum mélange containing all things biblical.

Meet manatees face-to-face at this zoo for native species.

This kitschy curio wonderland is full of fake animals, teak tables, and a cacophony of random bric-a-brac.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

Preserving the memory of the narrow railroads that once crisscrossed the state of Maine.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

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.

The largest self-built castle in the U.S., six decades in the making.

This historic stone barn is the former home of legendary cattleman Charles “Lonesome Dove” Goodnight.

This memorial pays homage to Pueblo's four Medal of Honor recipients.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.