This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

This museum is dedicated to the little known ancient Roman history of Vienna.

Museum devoted to the artificial language of Esperanto.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Handsomely crafted representations of our round planet.

Apartment complexes built into huge repurposed natural gas tanks.

A monument dedicated to a lone, brave invader.

Baroque celebration of the end of the Great Plague of Vienna.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

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

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The seat of Buffalo government is a gorgeous Art Deco palace.

Buffalo's abandoned concrete grain elevators are getting a second life.

The absurd creation is a compulsory destination for selfies in Buffalo.

A giant ball made from pieces of an old Jeep.

Could it have picked a better place to land?

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

Alexander Hamilton’s creation caused quite a bit of controversy.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.