The world's largest frame offers spectacular views of the city's past and present.

During the holidays, a vintage subway train whisks New Yorkers back in time.

Local lore claims this park is named after a young woman who jumped off a cliff.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Three abandoned missile silos are hiding in plain sight behind a suburban development in Maryland.

This abandoned sea fort has become an accidental bird sanctuary.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

Beijing's expansive subterranean hiding spot now crumbles away as a tourist destination.

The embalmed remains of the communist leader lie within a custom crystal coffin.

The tiny statues form China's only known terracotta army from the Han dynasty.

Enormous burial mounds of ancient emperors.

Ming Dynasty necropolis raided during the Cultural Revolution.

The ancient settlement attracts tourists from all over looking to learn about the Chinese vision of the afterlife.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

The last remaining predreadnought battleship in the world has been a museum for nearly a century.

A historic observatory precariously perched at the "Top of Europe."

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A Circus legend leaves an unexpected endowment.

Walk the whole Mississippi River!

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

Experience a charming 1930's version of "infotainment."

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.