One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

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

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

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

Cryptid lake monster honored with its own monument.

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

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Elevated freight railway turned wildly successful urban park.

A bizarre house filled with an astounding array of collections.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

You can find America's highest suspension footbridge at Grandfather Mountain in North Carolina.

The record holder for the world’s largest peach.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

A Nessie-like monster supposedly lurks in this lake.