The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

New York's oldest magic store.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

This small museum is kept in a house that was integral to the genesis of Uncle Tom's Cabin.

Funhouse of found art and participatory sculpture.

Touch an actual dinosaur bone at this eclectic trove of Rocky Mountain treasures.

The grave of Mary Nasson is shrouded by witchy legends.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

This historic observatory was established to keep shipwrecks from littering the Cape of Good Hope.

A South African bar inside a hollowed out 6,000-year-old Baobab.

Shop selling 500 flavors of soda has something for everyone.

A 140-year-old castle with underground caves hidden in San Francisco.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

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

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.