This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

The highest rapid transit station in the world.

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

This block in downtown Brooklyn was a hotbed of antislavery activism along the Underground Railroad.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Love is in the air along the small street in Brooklyn.

Walk into the 19th century without leaving Brooklyn.

Cheap art and political theater in Vermont.

This "common-as-dirt" museum celebrates the glory of normalcy.

This large cemetery is known as the museum of granite sculptures.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

An ancient glacial pothole waterfall in the heart of the Green Mountains.

This historic folk museum celebrates the attention to detail that makes America great.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

The first declared National Monument in the United States.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

Every president in history is immortalized in bronze in downtown Rapid City.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Off a hiking trail in Rhode Island stands a picturesque memorial to a long-forgotten war.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.