The histories of modern Chinese literature and anti-Japanese resistance collide in this Shanghai park.

The embalmed remains of the communist leader lie within a custom crystal coffin.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Believed to be the birthplace of the United States Marine Corps.

One of Philadelphia's largest murals resides hidden under this bridge.

A daily replay of the experiment that proved the rotation of the Earth.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A local prank turned town icon.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

The perfect place to take a family of giants for a beach vacation.

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

A huge musical instrument played by the ocean.

Hawai'i's oldest wooden house was shipped around Cape Horn from Boston in 1820.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

The abandoned coal loading dock is a canvas for unsanctioned art.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

Political activist and writer Thomas Paine once lodged at this location.