One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Iceland's tribute to its thankless civil servants.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

An encyclopedic collection of mammal penises.

A church of bones, decorated with 40,000 human skeletons.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

An enormous, inside-out glass globe built in 1935.

A trash dump made beautiful by nature's power.

Celebrating the transformation of trash into objects of beauty.

The 30,000-volume library is one of the world's most impressive poetry collections.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

Three buildings constructed of over 25,000 multicolored glass bottles.

This sprawling collection hides many charms.

Two adjoining collections of 19th-20th century physics apparatuses and instruments.

One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

A school teacher's massive and terrifying self-built castle.

The television series' iconic giant foot was borrowed from this classical painting.