World's largest magnetic research facility.

This phone booth-sized municipal building has been a piece of police property for more than half a century.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

The museum chronicling a treasure hunter's dream, fulfilled.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A building so large that it has its own weather.

An icon among Florida's pre-Disney tourist attractions.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A museum dedicated to the history and exploration of both popular music and science fiction.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

Famously misunderstood wonder of the ancient world

Europe's largest prehistoric mound – burial site of a legendary king?

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 first declared National Monument in the United States.

Go inside to really appreciate this 500-year-old technological masterpiece.

Macabre astrological automaton clock dating to the late 1400s.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Ancient snack bar of the Roman Empire re-opened.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.