The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

This amazing ancient cave was kept secret for seven years to protect it from the public.

This full-sized orange tree lives suspended in mid-air above the streets of Jaffa.

This museum located in Fondi is also said to be the most haunted building in town.

This large, circular tomb is the final resting place of the first emperor of Rome.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

Once the legendary capital of the Dacian Kingdom, this city has been reduced to mere ruins.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

Located within one of Israel's most picturesque monasteries is also the country's first meteorological research station.

This ancient walled garden turns fog into food.

This restored house is like a time capsule of the president's unconventional inauguration.

This unique preservation is one of the only taxidermies in the world made with real whale skin.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

Spend the night in this formerly abandoned traditional Scottish village.

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

This ancient tomb in the West Bank is a holy site for Jews, Muslims, and Christians alike.

In Mumbai, a bright blue synagogue is the largest one for the Baghdadi Jewish community in Asia.

A memorial to a giant seabird that was hunted to extinction.

Ancient barriers wrap around what was once an important stop along the Silk Road.

A hotel in Taiwan based on the better business practices that can be gleaned from Jewish law.