This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

This private residence was the template for one of the most beloved television homes of all time.

Guns that have been defending San Francisco since 1904.

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

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The first declared National Monument in the United States.

Famously misunderstood wonder of the ancient world

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Hundreds of hidden passageways weave through the old quarters of Lyon.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

Balconies that have a most unusual accent.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Steadily reminding Czechia of its past.

Macabre astrological automaton clock dating to the late 1400s.

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The magic's in the hole!

A little sculpture with a large wardrobe.

Brussels' favorite peeing boy has a sister.

Cozy basement bar sports an inventory of over 2,000 beers.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.