Visit the monolithic tomb of America's most famous general.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Read a book next to a Midtown waterfall.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

The magic's in the hole!

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

One of few lasting examples of the brief octagon craze that developed into folly.

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Concrete strongholds stand guard over the Golden Gate.

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.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

Retirement home where the actress who played the Wicked Witch of the West passed away.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.