A former plant in one of the hubs of U.S. steelmaking has been turned into this museum celebrating the history of American industry.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

This inn of the court provides a fascinating window into London’s legal and architectural history.

This previously dilapidated alleyway has been transformed into one of Melbourne's finest hidden art locations.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

In the 1950s, two women saved this grand theater in the Colorado mountains from demolition.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

After public executions took place at this location, attendants would also attend a local horse race.

This former water source for the City of Brooklyn is now a thriving natural wetland.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

There are owls with glowing eyes in Herald Square.

Where the legendary Orson Welles got his theatrical start before "Citizen Kane."

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

The origins of midtown Manhattan's anachronistic wooden farmhouse remain a mystery.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

This morbid scene depicts the Darwinian drama of death on the African savannah.

This poignant display is now a memorial to these regionally extinct species.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

This impressive scene portrays the elusive forest giraffe of Central Africa.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.