This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

Locals say Williams' ghost still haunts the place where she was murdered.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

An overlooked and unassuming engineering marvel.

The modern birthplace of Irish freedom.

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

The real faces of Venice beach captured on Romanesque columns.

Raised illegally, Reggie now lives at the Los Angeles Zoo after authorities spent years tracking him down.

A carousel trades in its classic horses and calliope for endangered species, native flora and fauna, and a modern soundtrack.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

A bit of retro transportation flair preserved in the world's largest department store.

Abandoned bridge hidden deep in the San Gabriel Mountains.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

An underwater road considered a possible Atlantis location.