Three prestigious academic collections come together to create a world-class natural history museum.

An ancient Egyptian temple in the middle of Madrid, Spain.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Giant topiary dog once played a role in a terrorist bomb plot.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Single runway interrupted by a busy road that cuts across its middle.

Spain's stunning solar energy plant.

The world's largest wooden structure.

The final resting place of the great navigator, or maybe his brother.

$10,000 won in a poker game in 1884 allowed James Draughon to build this intriguing home.

A Memphis park where you can walk the whole Mississippi River in one go.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

A modernist landscape of water and sci-fi concrete.

A museum dedicated to the alleged Roswell Incident.

A unique geological area spiked with wind-carved rocks that resemble teepees.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

A downtown park built on top of unclaimed graves.

The largest source of fossilized insects anywhere.

A giant Troll lurks under one of Seattle's oldest bridges.

A true roadside icon standing on the same plains that the herds once roamed.

The first declared National Monument in the United States.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.