One of only two commuter aerial tramways in the United States.

Read a book next to a Midtown waterfall.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Elevated freight railway turned wildly successful urban park.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

The first American axe throwing club.

The abandoned coal loading dock is a canvas for unsanctioned art.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Yo, Adrian!

Dr Barnes' $25 billion private collection of art and arboretum.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

This beloved marketplace mascot poops money and grants good luck.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

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