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

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

Century-old shop, specializing in Occult products.

Where the oil industry began.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

The best B-movies filmed on a shoestring budget were born here.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

This Alaska library may be the only one in the country that allows you to check out pieces of taxidermy.

The first Russian Orthodox church in North America and an Alaskan landmark.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

One woman's dream became a train hotel in her backyard.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

Colorful boxes placed over the dead are left to rot and crumble.

A historic freight system that found the true gold rush is in tourism.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

St. Augustine's record-setting narrow street was designed to protect against pirates.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A tribute to Ponce de Leon's supposed quest for eternal youth.