A university observatory dome painted to resemble the beloved 'Star Wars' droid.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A 32-acre fun park dedicated to all things cheese.

You can spend the night in Dr. Frank-N-Furter's castle.

This mountaintop lake bubbles and steams in a perpetual boil, thanks to its direct link to the Earth's interior.

Rare signs of the former Soviet Union in the Caribbean, though not where you'd expect them.

A giant gun barrel in Barbados that once hoped to shoot outer space with science.

The oldest still-operating tavern in the United States was once owned by a pirate.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

Looking like nothing more than a cartoon deserted island, this tiny sandbar is home only to a single umbrella.

A gallery of underwater art that can be visited by man and fish alike.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

This woodland architectural installation acts as a camera obscura for the heavens.

After Havre burned down, the best place to build was under the ashes.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

Robots, lasers, and whoopee cushions, oh my!