A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This Upper East Side apartment co-op was designed as a tuberculosis sanitarium.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

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

America's most famous piece of self-built architecture.

Wisconsin's most celebrated export gets the royal treatment on I-94.

A bizarre house filled with an astounding array of collections.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

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

World-famous, Pink's still manages to keep its prized cult fetish status.

Oldest building in California still in use.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

A museum in rural Utah documents the history of the Japanese Americans who were forcibly relocated there.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

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

A spiritual vortex among the red rocks in Sedona.

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

A plaque memorializes the Boston location of one of the largest nightclub fires in history.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.