"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

A bizarre house filled with an astounding array of collections.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

A valley of unique erosion patterns lends to a view like nothing on Earth.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

A black and white solution to the Bolivian city's traffic problems.

The soaring gondola lines form the longest aerial cable car system in the world.

These barriers stand as stark reminders of Northern Ireland's troubled past.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Sculptures, jams, and the wild west collide at this folksy retreat.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

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

A music-filled, booze-soaked oasis in the desert.

Four-story concrete hotel never opened to customers.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

Colorful boxes placed over the dead are left to rot and crumble.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

A hand-built folk art installation covered with messages of God's love.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A modern day curiosity cabinet.