A once grand hotel is being retaken by the wilderness it once capitalized on.

The hometown of a beloved manga artist created a treasure hunt for his popular ghostly characters.

In the city forest of Augsburg are oval, artificial ponds formed from a World War II bombing campaign.

This elaborately-carved white marble fountain was built to stand outside the Detroit Opera House.

This is what trains will look like after the zombie apocalypse.

The first ever diner included on the National Register of Historic Places is famous for its custard French toast.

Step into a cartoon at this Seoul café that aims to evoke a two-dimensional scene.

A tribute to an iconic act of defiance from the Croatian War of Independence involving a small car.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

This lab's maddening silence is good for business but bad for sanity.

An eerie, derelict amusement park in Berlin.

Known locally as "the giant head," this 14-foot LED sculpture has a photo booth in the neck where you can have a 3D picture taken and displayed.

A remarkable lava formation encloses a line of Buddhist statues that can't be accurately counted, according to local mythology.

The only thing sweeter than the potatoes is the canine proprietor of this roadside stall.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

Standing guard on top of an old, vacant ice cream shop.

This feline raises a friendly paw at drivers barreling toward the freeway.

This sprawling bookstore spans four floors and has more than a million books in stock.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

A Museum of Holography frozen in 1974.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

These abandoned grain silos and tunnels are an urban exploration dream.