This freshwater spring fills with 10,000 gallons of water per minute.

The city is full of whimsical portals to another world.

A speakeasy takes on Chicago's drinking culture.

An ancient holy well said to be used by the patron saint of sailors and travelers, lost in the boggy west of Valentia Island.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

A tribute to the incredible generosity the Choctaw Nation showed the Irish people during the Great Famine.

A hugely vast Irish landscape of barren rock that stretches for miles.

Just another ancient, mysterious Irish stone circle.

Huge standing stones mark a site of megalithic mystery.

The oldest public library in Ireland.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Atop this former dutch railway office sits an interstellar work of art.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The curious underground history of keeping Paris clean.

The writing studio of an American adventure author, built in the style of a medieval castle.

The last remaining tollhouse in Michigan built during the 19th-century plank road craze.

This mechanical wonder towers above a river in Michigan's capital city.

Perched atop a brick smokestack, this enormous lug nut symbolizes the local minor league baseball team.