Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

Yo, Adrian!

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

The world’s first penitentiary, meant to be humane, drove men insane.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The "Seinfeld" diner.

Elevated freight railway turned wildly successful urban park.

A semi-scholarly approach to sex.

Try not to get slimed in Tribeca.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

The oldest stone house in Paris was built by its most famous alchemist.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The silly symbol for an underground protest group is now scattered around the city.

An underground city of salt.