In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

This small hut in the middle of a parking lot was once the wooded sanctuary of the 'Hermit of Montrose.'

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

This two-room shotgun shack in Tupelo is the birthplace of a King.

A statue honoring 44 continuous years of greeting passing ships.

This kitschy tavern is also home to rare early editions of "Treasure Island."

"X" marks the spot of an echo chamber in the middle of a plaza.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

A natural history museum with an extensive collection of bird dioramas.

What better place to take a seat?

A strange history museum, with items accumulated by a pair of globe trotting spies.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

An ancient knight and a symbol of the city's freedom.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.