Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

This massive World War II calculator hearkens back to the days when "computer" was a job title.

This sculpture was made out of recycled guns that were turned in to the city.

Fall through a crack in the seams of reality at this immersive art installation.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

Dim sum, served in a grand old theater.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

An enormous, inside-out glass globe built in 1935.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

In the former treasury of a popular temple, a rare sculptural depiction of Kannon’s diverse avatars.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

This vintage animatronics show is the Vegas version of a walk through the woods.

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

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

One man's ambition created this psychedelic log home.

The remains of a ruined mansion memorialize the 1906 earthquake.

Community bookshelf of 25-foot-tall book spines.

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

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

A tiny red pebble marks what may be the quietest outdoor spot in the United States.