This now-abandoned part of the original transcontinental railroad route provides a surreal driving and historical experience.

A massive cave once a secret military base is now home to thousands of bats.

A 26-foot tall roadside concrete pillar recalls a yet-unresolved 1997 political massacre.

This beautiful landscape is the only Sichuan-style garden outside of China.

One of the most comprehensive collections of historic Native American culture in the country reframes artifacts as artwork.

The final resting place of the Hunkpapa Lakota leader Tatanka Iyotaka, commonly known by the English translation Sitting Bull.

This church on a Tohono O'Odham reservation has stood since 1797.

One of the largest pagodas in Nepal is a 13th century testament to regional craftsmanship.

Egyptian treasure trove of fossils documenting the whale's transition from land mammal to sea creature.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

One of the most well-preserved temples of ancient Egypt.

An endless sea of white conical domes.

Ozymandias’ time-keeping temple.

An unassuming music museum recounts the rags to riches story of a dramatic Portuguese genre.

This museum contains a vast array of puppets and marionettes from all over the world, featuring incredible works by Portuguese creators.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

This little-known national museum houses over 40,000 works of art from across the world.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

The world's oldest bookshop still in operation.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

These biodiverse university gardens form a green oasis amid the urban chaos of Mexico City.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.