The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

A rare 16-bedroom Qing Dynasty house re-erected on the campus of the Peabody Essex Museum. 

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

Home to items never before seen by the public.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The lavish, well-preserved home of a wealthy Baba Nyonya family is now a cultural museum.

Once the private home of China’s most legendary tycoon, getting inside this stunning mansion no longer requires an elite pedigree or acts of daring.

A sprawling tropical paradise offers a taste of fruits from around the world.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A little sculpture with a large wardrobe.

This ancient limestone cave system contains many impressive geological features.

An impressive site containing some of the earth’s rarest living fossils.

This Western Australian mint was established during the height of the Australian gold rush.

One of the few places in the world home to living stromatolites.

This massive water spout has been luring visitors for hundreds of years, some to their death.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Alien rock formations grown from the sands of an Australian national park.

Millions of numbers carved in glass represent the tattoos forced upon victims.