An exotic wildlife habitat right off The Strip.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The site of Paul Revere's historic two lantern warning.

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

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

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

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.

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

The most famous location in China was home to whole dynasties worth of imperial rulers.

The celebrated eyesore created by starry-eyed sweethearts.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

This replica of the Greek structure is in the heart of Nashville.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This historic national park is covered in the stunning ruins of red rock pueblos.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

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

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A popular European tradition makes its way to the states on one of America's most famous bridges.