A DIY art gallery/music venue/lecture hall dedicated to video game culture.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Ancient Egyptian relief, claimed to depict an electrical light.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

The oldest working mechanical clock in the world.

Numerical symbolism abound at East Asia's oldest observatory.

Light still pours into the ruins of this ancient Islamic observatory.

The world's second-largest sundial, made entirely out of stone.

This ancient Chinese observatory still contains early astronomy technology.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

Smack in the midst of coal country, this collection provides a peoples' history of Appalachian miners' heritage.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

An eight-sided home built during a brief octagon craze in the 1850s.

One of few lasting examples of the brief octagon craze that developed into folly.

In the mid-19th century, an eight-sided house was the latest fad.

A colossal strolling Pinocchio that was greeted with more outrage than whimsy.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This graceful little figure is a one-of-a-kind version of the cherished character.

Statues of Ramona Quimby, Henry Huggins, and Ribsy the dog in the park where their adventures "really happened."