This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Famously misunderstood wonder of the ancient world

An enormous, inside-out glass globe built in 1935.

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

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

Macabre astrological automaton clock dating to the late 1400s.

A bizarre house filled with an astounding array of collections.

World's first "penitentiary," meant to be humane, drove men insane.

A church of bones, decorated with 40,000 human skeletons.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Looming communist pillar with a Czech twist.

Monument to a suicide protesting the Soviet invasion.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The world's longest known cave system.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

Deep scars on the earth left by the Ice Age.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.