Inside, visitors are treated to the rich history of sugar farming and its impact on Hawaiian society.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

This historic lighthouse was well known for the large number of women who served as its keeper.

The beautiful behemoth is one of the largest trees of its kind in the United States.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

Neoclassical bank designed by NY architects Helmle & Huberty.

Steam out your ears for New Year's Eve.

Ancient human remains unearthed around the iconic monument.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

Famously misunderstood wonder of the ancient world

This striking statue brings a scene from the African savannah into central London.

This ancient Egyptian obelisk still bears the wounds of World War I.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The bones of two medieval royal lions were discovered at the historic fortress.

The commemorative stone column conceals a secret laboratory.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

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

The last four extravagant street signs of London's historic banking street.

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

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.