The tomb of history's greatest potato promoter is surrounded by tubers.

This Cuban town sets the sky on fire around Christmas each year.

The tennis legend used this racket while breaking the race barrier and becoming the first Black man to win the US Open.

Burbling away in refrigerators are 105 sourdough starters from around the world.

An L.A. traffic island where the faces of locals have been carved into massive granite eggs.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

Japan's largest area of "pink moss" turns the hillside bright pink every spring.

Yup, that's a 330-foot yacht passing over the highway.

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

These former theme park figures have a new lease on life outside a water plant-turned-restaurant.

This bright yellow bridge is a true engineering feat.

A deserted island in southwest Japan that once sheltered persecuted Christians.

Just a man taking his prehistoric pet for a stroll.

South Korea's largely symbolic, barely used gateway to the North.

This fairytale-like structure is the last turf church ever constructed in Iceland.

A wall within the institution displays the names of 13,000 Jews who took refuge in the city during World War II.

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

To enter the lower hall of this temple, you must first walk through a dragon.

The spot where the two men ate together now stands enclosed in glass.

What looks like a normal building is really a hollow facade hiding a subway vent.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

The last working windmill in the U.K. that has eight sails.

The unusually large seat sits atop the base of a ruined temple.