A recreation of the bar from the classic 1942 movie “Casablanca.”

This impressive working clock made of 16,000 plants changes its flowers twice a year.

A monument to the 4,114 Irish orphan girls who arrived in Australia between 1848 and 1850.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

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

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

An ancient wall in the shadows of the Amber Castle.

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

The world’s first penitentiary, meant to be humane, drove men insane.

Eighteen miniature death-scene dioramas.

The world's longest known cave system.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

Resonant stone, that has been played since prehistoric times.

A unique museum dedicated to culture and artistry of carpet weaving.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

A snapshot of the city's fascinating voodoo culture.

A tribute to a great Texas blues musician.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Striking, enormous gold-plated sculpture of Buddha installed in the 19th century.