The park is home to the United States's only still-operating Dutch windmill.

This is the last hand-cranked chain ferry of its kind in operation in the United States.

In this quiet park a rendition of a classic painting graces the outside of a charming restroom.

On the shores of Lake Kalamazoo, a plaque marks a fictional event where an island nation ran aground.

A hot dog stand where the heads are just as hot as the dogs.

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

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

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

Every summer West Seattle experiences a housing bloom.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

Where old school Polish Chicago and young hipster Chicago live side by side.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

This 41,000-acre wetland complex is the largest marsh in the interior of the United States.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.

World's largest barrel containing an inn.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.