The celebrated eyesore created by starry-eyed sweethearts.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Yo, Adrian!

Go inside to really appreciate this 500-year-old technological masterpiece.

The first American department store, and home to the largest operating musical instrument in the world.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Beautiful natural falls where Satan once ruined a pot of beans.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Copenhagen's celebrated theme park and gardens.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

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

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

Friction between grains of sand cause a curious "singing" sound.

This replica of the Greek structure is in the heart of Nashville.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.