A small oasis not far from downtown Moab.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

Above Breckenridge, a destructive mining technique sits sunken in a small pond.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Epicurean and holy traditions converge in what may be the oldest restaurant in Europe.

This Moab institution functions as both a rock store and a small natural history museum.

The fifth-longest natural arch in the world, and the longest outside China.

This Gothic castle was inspired by Erik the Red's Viking residence at Brattahlid in Greenland.

Ice cream stand, snack bar, and time capsule of milk conveyance.

The massive machine creates cracking displays of indoor lightning.

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

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Even Henry David Thoreau found this glacial pothole irresistible.

An abandoned gun-funded 19th century utopia.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.