The first park built over a freeway is a brutalist masterwork.

This amazing piece of modern art honors the hundreds of fishermen killed during Cambrils' "year of misfortunes."

Stunning Roman aqueduct used for 1900 years and still standing.

Long tunnels run under the ancient chariot racing circuit to the tower.

This Roman arena once played host to bloody gladiatorial battles.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

Perhaps the most scandalous statue of America's first president.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

The romance of early commercial flight still fills this Art Deco destination.

The oldest continuously operating fish market in the United States.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

It took 160 years to complete the most ornate church in Ecuador.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

Quito's historic, main square dates back to the 16th century.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

Home of the "true" equator.

Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

Paranormal activity on the great lakes.

Wisconsin's most celebrated export gets the royal treatment on I-94.