An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This small oxbow lake has rare giant river otters and some Seussian-sounding birds.

One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Visit Lima’s one-stop-shop for sustainably sourced and produced Peruvian chocolate.

Ancient serpentine sacrifice holder that has stood the test of time.

The world's largest wooden structure.

The hallucinogenic center of the ancient world.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

One part local history, 99 parts gruesome haunted house.

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.