The longest escalator in the Western Hemisphere takes over three minutes to ride down.

The absurd creation is a compulsory destination for selfies in Buffalo.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

America's first public mental health facility.

Bits and pieces from the ill-fated Donner Party's winter cabins.

The site of Paul Revere's historic two lantern warning.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

A display of magnificent stained glass windows is the first exhibit of its kind.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

These lush botanical gardens employ the most purrfect pest control force.

A 19th-century architectural wonder designed by the "father of the skyscraper."

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

Two Ming Dynasty lion statues guard the entrance to the journalism school.

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

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

This landmark cemetery in Boston was created more than 300 years ago.

A Nesting Doll of Churches.