A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Take a hidden path to the mouth of the cave to watch millions of bats swarm at sunset.

A quick and simple solution to Cambodia's train woes.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

A former French military respite turned jungle tourism hotspot.

A battle between nature and architecture in the Cambodian jungle.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

A marvel of Byzantine engineering under the streets of Istanbul.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Take a walk in a recreation of ancient Rome.

The first piece of public art dedicated to LGBT rights.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

An artist's cute bronze subway sculptures belie his violent artistic past.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

One of only two commuter aerial tramways in the United States.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.