This restored 17th century "conduit house," often mistaken for a watchtower, actually supplied water to nearby Bolsover Castle.

The last surviving roundhouse in the United Kingdom also plays host to a popular annual beer and music festival.

A poignant memorial to the 106 coal miners killed in three major accidents in Derbyshire.

A unique 1980s designed church sits uncomfortably in its traditional Victorian churchyard.

When methane gas started seeping up from the ground, they picked up and moved the entire town.

A secret meeting in this small cottage changed the course of British history.

This chimney is the oldest free standing industrial chimney in Britain.

The former home of a railway legend and the site of a gigantic labyrinth.

This unique medieval court deals solely with the lead mining laws in two small areas of Derbyshire.

This precipitous pathway with its wrought iron handrail was created by the Victorians as a tourist attraction.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

A menagerie of concrete animals brought together from across New York City's parks.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The site of a tragic massacre that spawned a multimedia franchise.

Ghosts of France's colonial past.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

Approximately 250,000 people left homeless by the great earthquake and fires found shelter in Golden Gate Park.

A modest reminder of treacherous waters at the Golden Gate.

San Francisco's first World's Fair, dedicated to the wonders of California.

A monumental cross hides in the trees in Golden Gate Park.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

The key to turning shifting dunes into the green oasis of Golden Gate Park.