The world's first museum dedicated to the work of game-changing naturalist Charles Darwin.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

Unique antiquarian shop specializing in globes, maps, and prints.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

A dilapidated dock tells the story of Titanic's missed arrival.

A geological mystery on Camelback Mountain.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

A stealthy Apache hideaway that became the haunting site of a mass grave.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

Danish observation tower designed to look like a giant beer bottle.

This rusting remnant of the local herring industry is being given a second life.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

Natural saunas fed by volcanic heat.

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

Cemetery featuring rare glass-fronted columbarium.

Pizza with a side of fine art.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Parking lot where a Chicago mayor was inaugurated under very sketchy circumstances.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Taking the 3D art experience far beyond blue and red glasses.

These machines have been collecting dust for decades.