One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

It is an old prison, lighthouse, and castle once used to guard the port in Havana, Cuba

Iceland's largest lagoon is home to stunning multi-colored icebergs.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This stunning concert hall has become a symbol of Iceland's national recovery.

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Macabre astrological automaton clock dating to the late 1400s.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

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

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

This sculpture meant to honor the bravery of the Indigenous Mapuche people of Chile proved controversial.

Take a cruise with no movement but plenty of style in this one-of-a-kind boat mall.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

A secluded, little-known temple hidden amid the dense jungle.

Originally a meeting place for foreign correspondents and war reporters, the FCC remains an atmospheric spot for sunset drinks in Phnom Penh.

Khmer Rouge's high security prison.