One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

There aren't too many operational funiculars around, but Pittsburgh has two!

Love, knishes, and best wishes from this legendary Lower East Side bakery.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

World's first "penitentiary," meant to be humane, drove men insane.

The United States Capitol's former columns still stand.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

The world's longest known cave system.

Prehistoric animals decorate this popular outdoor park.

This huge clock made of flowers and simple machinery was once used a political weapon.

Three courses accompanied by Christian rock.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

Unique tower has outlasted a takeover of the company.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

Avoid gangster interaction while window-shopping.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Less a museum than a bizarre fantasy world created by artists and engineers.