This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

Perhaps the most spectacular grotto along the Algarve coastline.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

An old tram depot transformed into a vintage car paradise.

California's first suspension bridge.

A large measuring stick marks the lowest point of a country that is partially under sea level.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

Although it appears much older, this castle-like tower is actually a Georgian-era folly.

Just off the road outside Baguio, a gigantic lion's head carved into a mountain greets those driving by.

Baked in 1898 and still almost flawless, this floral masterpiece is considered the world's oldest complete wedding cake.

The former headquarters of history's oldest megacorporation.

This temple was constructed entirely by Roman soldiers.

This castle played host to the largest great hall found in medieval Central Europe.

Past the hills and beyond the graveyard, this church feels extremely out of place.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

According to folklore, Vermont's slanted windows were installed to keep witches from flying into the house.

This tiny little island has, as the name says, just enough room for its single house.

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Drink and learn at this striking ode to coffee culture and history.

A 6,888-carat piece of turquoise that bears a striking resemblance to the first President of the United States.

A unique rock formation that only a few have managed to venture inside.

This lakefront cottage was crafted in the 1800s and was once a sanitorium.

The world's largest squirrel statue clutches a pecan bigger than your head.