The effect of this ancient form of image projection situated atop an 11th century Moorish palace is thrilling.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A sculpture serving as an homage to Pope John Paul II.

Steam engines and conveyor belts are remnants of a genius system left in the middle of the Maine woods.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

A charming museum of natural history featuring dioramas and exhibits made entirely by college students.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

This massive airship factory is so large that it has its own indoor weather.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

Go deep down into the earth to experience the world of Welsh coal miners.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

This ancient church, rebuilt at least 3 times, is flanked at all sides by history.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.