Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

A colorful square marks the heart of the city's LGBTQ community.

The world's longest known cave system.

The oldest remaining frame residence in Minneapolis.

This 1960s kinetic artwork has been restored and is once again whirling away in downtown Minneapolis.

One of two giant blue cockerel statues erected with an intentional double meaning.

Designed as a reminder of one of the darkest moments in Austrian history.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

100 year tradition of fist fights, marked by marble footsteps.

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

A massive sea stack famous for its appearance in The Goonies.

Macabre astrological automaton clock dating to the late 1400s.

The world’s first museum dedicated to exploring human rights unleashed a wave of controversy.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

A geothermal pool in North Iceland that is said to be the bathing spot of the legendary Grettir the Strong.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

A sulfuric martian landscape that looks far better than it smells.

This elegant arc of a waterfall marks a religious turning point.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A museum within a museum, devoted to history's most questionable medical devices.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.