A lonesome Moai stands in a small Italian town some 9,000 miles away from its Easter Island brethren.

This massive rock balanced for thousands of years being tossed here during a volcanic eruption.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

A giant interactive periodic table with real samples of the elements.

This network of conjoined cellars was riddled with traps and supposedly allowed the townspeople to pretend their homes were deserted.

A former squatter's paradise outside Prague.

This monumental fountain has moved around the city multiple times.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

Brazil's only museum dedicated to the art and evolution of tattoos.

The crypts are so large they're basically their own underground church.

This Norman castle has been the scene of assassination plots, religious persecution, and Nazi conspiracies throughout its long history.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

This collection of ancient structures makes up part of the largest group of prehistoric earthworks in Britain.

A Korean rock bassist's wild dream has become a reality at this completely insane boutique hotel.

A very peculiar and macabre statue calls Tugatog Cemetery home.

Melbourne's favorite bronze dog.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

The world's first ice hotel is still one of the most elaborate and beautiful.

During the solar phenomenon "Lahaina Noon" this bendy, curvy sculpture forms a perfectly circular shadow on the ground.

Architectureal fantasy quarter of Rome.

Mound of stones marking the burial site of the world's most famous orca.