Some of Arizona's best spit-roasted tacos al pastor can be found at a weekend swap meet.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

A breathtaking 19th-century trail overlooks Lake Tahoe.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

This tiny structure was built by the creator of the Brooklyn Bridge.

The only remaining piece of hull of the most decorated US ship of WWII is this giant name plate.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

This might just be the TARDIS of bookstores.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

Built in the 1970s, this curious modular home found new life as a sundae-shaped ice cream stand.

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

Abandoned for over a century, this chilling train tunnel is now a destination for ghost hunters.

A castle built for love, and abandoned due to heartbreak.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

Fossilized sea bottom and lime quarry.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

Steepest flood safety railway in the entire world.