Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

A 13th century fortified house built to defend the Duchy of Burgundy.

Fur-lined metal pod dangling in the French countryside.

Artist and musician Will Menter creates musical sculptures.

A garden of massive sculptures sits in Jean Lindard's backyard.

Exquisite examples prehistoric bas-relief carvings.

The not-quite-incorruptible St. Bernadette is perhaps the most beautiful of preserved saints—with a little help from Paris.

Legend has it this 11th-century castle was paid a visit from the devil.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

French Time Capsule-19th Century home revealed to the public.

A Gothic cathedral created from volcanic rocks.

More than 140 granite sculptures decorate the lawn of this French sculptor.

A nerdcentric group and creators of the Nerd Prom.

A Perpetually Under construction Park.

Sleepy Minneapolis block beats Guinness Record for most churches on one city block.

A warehouse for all of your architectural details.

One of the coolest murals in Minneapolis.

The Real LegoLand.

A Building for Your (Former) Funerary Needs.

1887 era Russian Orthodox church in Minneapolis.

A fence constructed completely of skis on Monroe Street.

A Museum Dedicated to the Heroes That Fight Fire.

An architecturally-focused antique shop.