The remains of what was once the world's steepest passenger funicular.

100 massive sculptures in the Hudson River Valley.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

Ice cream stand, snack bar, and time capsule of milk conveyance.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

An enormous, inside-out glass globe built in 1935.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A layered tribute to the work of mosaicist Isaiah Zagar.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

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

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

A sculpture of a salmon swimming through a brick building.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

Famously misunderstood wonder of the ancient world

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

Collection dedicated to brands, packaging and advertising.

Eighty million natural history specimens call this gargantuan museum home.

A hands-off space for graffiti artists to hone and display their skills.