This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

A Nesting Doll of Churches.

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

Go inside to really appreciate this 500-year-old technological masterpiece.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

An abandoned town is hidden in Great Smoky Mountains National Park.

Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

An island graveyard with spectacular views of the Caribbean.

This enormous statue of the Virgin of Guadalupe has become one of the world's most recent Catholic pilgrimage sites.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

The first patented shaved-ice machine heralded a snowy wonderland of iced treats at a favorite New Orleans summer shack.

Some say this medieval church is where the poet Dante married his wife and also met the love of his life.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

At 207 feet, one of the world's longest continuous escalators.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

Beautiful hillside Vermont cemetery with amazing funerary art.

An outlandish shoe shaped house built by an eccentric millionaire.