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

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

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

Elaborate tile work in this railway station tells the story of Portugal.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A tall karst islet popularized by 007.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

A Buddhist theme park brings you a Buddhist version of Hell.

Singapore's landscaping project is home to 18 incredible Supertrees.

30 years worth of pressed-tin, bakalite, and characters both loved and forgotten.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Come for the flowers, stay for the bats!

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

The first and only carousel with a lineup entirely of insects.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

The legendary court where emerging basketball players gain their street cred.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

Harlem park dedicated to compulsive hoarders killed by their own junk.