This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An eerie, derelict amusement park in Berlin.

Revitalization efforts converted a former U.S. military heliport into a sprawling urban park.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

This German fountain of a legendary apple wine-loving drink thief will spit on you.

Carved fountains poignantly placed in parks and in front of special monuments.

A rare chance to ride one of the few continuous elevators still in operation.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

After years of being casually peed on by humans, this tree is peeing back.

This stained glass window designed by Tiffany Studios is hidden behind the circulation desk of a public library.

This theater opened in 1998, but both the building and the puppeteers who perform there have a distinguished history.

This manor in the woods memorializes one of the greatest birders of a generation.

A waterway covered over after the Industrial Revolution has been unearthed and cleaned up, for the enjoyment of fish and humans alike.

This suburban enclave is home to a very unique art exhibit.

A physical catalog of ceramics made by the now-defunct Celadon Terra Cotta company.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

This Upstate New York park squeezes a lot of history into its two-acre triangular space.

A mosaic made of materials gathered from this Brooklyn community adorns the walls of this tunnel.

The site of a fallen tree that protected Americans from British forces during the American Revolution.

The longest step street in the city.

This museum pays homage to a device that precipitated a watershed moment in Finger Lakes food production.

This stave church nestled in the Catskills was built in the 1960s by a community of Ukrainian immigrants and refugees.

The press that first printed the Book of Mormon.