The busy transport hub is home to the tallest airport slide in the world.

A ring of soy sauce bottle bases decorate an important Singaporean landmark.

Rainbow shutters decorate this former police station.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

The most playful of the life-sized statues that make up Singapore's "People of the River."

The tiniest little stage in New York.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

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

Commemorating the spot where the famous scientist fed his pigeons.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

This Russian bar-restaurant lies within a three-story underground bathhouse.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

The Hudson River School comes alive at this palatial estate.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Structure built from the skulls of vanquished foes.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

A Hollywood-sign replica with a typo on a remote hillside.

The interior of this Serbian royal family's mausoleum is covered with exquisite mosaics.

A pair of connected skyscrapers form this symbolic gateway.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

This natural spa is known for its healing properties and vibrant hue.

Religious perseverance and cultural coexistence manifest in an architectural gem that multiple wars couldn't topple.