A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

London's smallest police station is barely the size of a phone booth.

Charming small streets lined with well preserved wooden houses dating to the 18th and 19th century.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

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

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A lighthouse on this West Virginia lake started as a joke, then the forces of nature helped make it a reality.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

This 19th century granite fortification is one of the most well preserved forts in New England.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Three columns of volcanic rock shoot out of the ocean.

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.

The Hveragerði fissure runs through this unassuming shopping center.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

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

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.