The rusty hull of this 1899 ship serves as a tribute to explorers of the bottom of the world.

What was once a unique system of urban elevators is turning into a mechanical ruin.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

A treehouse assailed by the elements and the government, now gone.

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

From burial ground bocce ball court.

Built in 1931, this small passageway is believed to be the first modern skyway.

A hidden oasis in the heart of Minneapolis is also an Important Bird Area.

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

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

Where you can photograph wild black bears without worrying about becoming dinner.

Direct, creative challenge to Mother Nature's winter wrath.

This vintage "streetcar boat" lay at the bottom of Lake Minnetonka until the 1980s.

This water tower has been a staple of the Rochester skyline since 1931.

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

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

One of the coolest murals in Minneapolis.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

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

A haunting army of decomposing, moss-covered stuffed animals and dolls guard this swinging truss.

Thousands of majestic trumpeter swans fill this park, sounding distinctly like a certain brass instrument.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.