Places meltingknight Wants to Go

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

A towering Art Deco movie palace made to look like a Mayan temple.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

These medieval monastery ruins are surprisingly overlooked by most tourists.

CERN's beautiful, bending sculpture is a tribute to the spread of knowledge.

A rare, flower-shaped example of Brutalist architecture in Switzerland.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

Where Mary Shelley’s 'Frankenstein' and John William Polidori's 'The Vampyre' were born.

A charmingly old-fashioned reminder of the historic building's former life.

A memorial to Wellington's well-loved, well-traveled wharf dog.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

High winds can make this one scary landing.

One of the largest Native American shell middens stands 30 feet tall.

German and American troops joined forces to defend this fortress during the strangest battle of World War II.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

A replica of one of the more than 15,000 civilian lookout towers that lined the U.S. coast during World War II.

One man spent 10 years building a spectacular section of road because no one else would.

An ode to the friendship between four Pacific Rim countries.

Japan's first automaton went missing, only to be revived by the Osaka Science Museum.

At just 51 feet and 10 inches long, it's the shortest street in England.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.