This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

All of Chicago's wood-paved streets are long gone but two alleys remain.

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

A lush green oasis in the middle of Chicago.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The ancient tomb acts as a calendar that keeps perfect time.

This Neolithic passage tomb forms part of a World Heritage Site.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

The modern birthplace of Irish freedom.

Inside this art museum resides one of Glasgow's most famous musical instruments.

The pockmarks across the building's facade are remnants of the Blitz.

Its collection includes a broad array of social, geographic, graphic design, and political history.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

The ritual has been performed uninterrupted for nearly 700 years.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Hidden beneath the streets of London is a secret subway that only carried mail.