These rose marble urinals are the most luxurious loos in Liverpool.

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

This former INS center is now home to a thriving community of artists, from performers to painters to architects.

An eclectic restaurant serving from and to the nearby Chittenden Locks.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Theater has had many different incarnations but has survived the ravages of time.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

A military museum and library dedicated to the citizen soldier.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

No one knows how many bodies are in this vault in a Chicago public park.

A chance to follow in the footsteps of the word's most legendary animator.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A hollow cement depiction of time's inexorable effect on the human body.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

A small store filled with animal skulls and other curiosities.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

A technicolor place of worship for Elevationists.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.