The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

A rare example of World War I trenches from the British front.

A moving memorial to the fallen and missing from WWI trenches.

Christ's blood preserved in a Belgian town.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A little sculpture with a large wardrobe.

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

Golden Gate Park's historic collection of plants.

This turn of the century masterpiece has a mysterious goaty interloper.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Giant topiary dog once played a role in a terrorist bomb plot.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

Lavish royal estate punctuated with heated greenhouses.

Theme park featuring miniature replicas of European monuments.

Climb inside an iron crystal magnified 165 billion times its normal size.

Most prolific publishing house in the 1600s open to the public.