Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

Some of the smallest works of art in existence.

This friendly fellow was built to honor an advancement in mineral processing.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

Over time, this castle grew to encompass the entire island.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

A miraculous three-handed portrait of a saint can be found inside this church.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

Enter the Forest of the Elves.

This double-arched masonry highway bridge is the only structure of its kind in Minnesota.

These curious caverns have been home to mushrooms, gangsters, and disco.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The literary king of the Jazz Age was born in this lovely Minnesota home which still honors his legacy.

The basement bowling alley of this St. Paul dive bar is decorated with thousands of dollar bills.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

A little-known memorial to servicemen and nurses killed in the line of duty during the First World War.