The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Monument to a suicide protesting the Soviet invasion.

A mocking tribute to the past and modern leadership of Prague.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Macabre astrological automaton clock dating to the late 1400s.

Once a black market electronics marketplace, now an otaku shopper's paradise.

Legend holds eating just one of these black eggs can add seven years to one's life.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The magic's in the hole!

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

The Midwest's reigning king of surplus stores is full of nothing you need and everything you want.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

These curious caverns have been home to mushrooms, gangsters, and disco.

A museum within a museum, devoted to history's most questionable medical devices.

Half of a waterfall goes into the river while the other half seems to disappear.

This old residential building was once the largest flour mill in the world.

This 1960s kinetic artwork has been restored and is once again whirling away in downtown Minneapolis.

No one's quite sure where this quirky university tradition originated.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

The only arched bridge made of stone on the entire Mississippi River.