A cluster of granite granaries perched on stilts.

A hidden three-foot-wide house separates these two regal churches.

The "Little Ones," show Portugal in full miniature splendor.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This charming candle shop has been in business since 1789.

The best place in the world to buy tinned fish.

Picturesque intersection of witchcraft and ancient Christianity.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Colorful curls of hand-blown glass form a captivating tower in San Antonio's Central Library.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

A giant donut stands as a popular symbol of Los Angeles iconography.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The site of an underground detonation of a megaton nuclear bomb in the middle of the Mojave Desert.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

A picture-perfect town, perfect for blowing up.

Large tower used for simulating radiation of Hiroshima bomb and the tallest object ever relocated.

The contents of this safe survived a 37-kiloton nuclear bomb.

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

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

Detailed facade of a brownstone in Boerum Hill.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Unrepaired walls from a 1920 anarchist bomb attack.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.