The oldest automobile museum in the United States.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

The reconstruction of this prominent building fulfilled a long-written command.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

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

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Rumors of the occult haunt this upscale 1920s hotel.

The oldest continuously operating pharmacy in Europe.

This museum sits on the site of a decommissioned military communications base.

It commemorates one of the world's earliest telegraphs.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

These legendary stone steps were once used to haul coffins up the rockface.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

The Home and murder site of the witch of Rehmeyers Hollow.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.