The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A cross marks the spot in a small Scottish village that claims to be the exact center of the country.

Christ's blood allegedly preserved in a Belgian town.

Climb inside an iron crystal magnified 165 billion times its normal size.

Cozy basement bar sports an inventory of over 2,000 beers.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.

This modern arts center is built around a gem of late-Baroque architecture.

Created by four famous men, the beautifully designed Buffalo State Asylum was resurrected as a hotel and art center, but still boasts a ghost story or two.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

The seat of Buffalo government is a gorgeous Art Deco palace.

Ruins of a once-prized railroad station in New York.

The heads of two giant mythological water horses honor Scotland's horselord past.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

One of the largest underground systems runs under Canada's largest urban center.

This massive, ancient stone was disassembled and then put back together again.