One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

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 haunting tombstone comes complete with a heartbreaking story of love and loss.

An eerie smiling woman looms above the granite tombstones.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

Homemade rockets, dinosaurs, and robots make this New York small business much more than a furniture store.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Stand at the center of this lakefront sundial, and you'll become part of the timepiece.

Scary metal statues adorn some of the signature buildings of Burlington, VT.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

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

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

The rusting remains are visible sticking out of the waters of the Delaware Bay.

An ethereal glowing blue ocean cave in Croatia.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Banksy's image of a naked man dangling from the window of a sex health clinic.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

A hands-off space for graffiti artists to hone and display their skills.

One part local history, 99 parts gruesome haunted house.