Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

A multi-storied adobe complex has been inhabited for more than a thousand years.

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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A beautiful geyser under environmental threat.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Go surfing on this urban wave, "hacked" by local surfers.

A stairway to heaven, or to nowhere at all.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

The famous winding walk at Chartres is surrounded in mystery and myth.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

Paris' linguistic guide to the international language of, yes, love.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The celebrated eyesore created by starry-eyed sweethearts.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Notorious artist squat renovated into legal studios.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

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