Beautiful steampunk ghosts of early Massachusetts.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

Austria's very first and only nuclear power station was completed but never used.

Op-art architecture designed for happiness.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

Dine amidst exotic plants at this former royal greenhouse.

Legends surround an ancient tree trunk riddled with nails for good luck.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Handsomely crafted representations of our round planet.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

The preserved remains of the former Milwaukee County Hospital for the Insane are hidden in the wooded grounds of County Park.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

A unique botanical garden housed in three giant geodesic domes.

This holy goods emporium is where priests go for a little retail therapy to outfit their churches.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

Books you don’t need in a place you can’t find.

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.