Storage units with a wartime past.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A long lost multi-cultural music venue used to reside in the bottom floor of Chicago's Flat Iron Building.

No one knows how many bodies are in this vault in a Chicago public park.

Former bath house turns gastropub.

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

There aren't too many operational funiculars around, but Pittsburgh has two!

Yo, Adrian!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The commemorative stone column conceals a secret laboratory.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

The first Chinese student to graduate from a European university.

A miniature of a lighthouse acts as a beacon for what transpires inside this location.

These trenches were used to train the Scottish military for life on the frontlines of World War I.

A remnant of the Roman army's presence on the coast of Scotland.

The beloved bard's garb is proudly displayed within a Freemason's hall.

A six-ton wedding present for the King of the Scots.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.