Marine fossils from the Devonian period are exposed at this park.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

This abandoned cemetery has a dark past of bodies buried over bodies.

One of the largest underground systems runs under Canada's largest urban center.

Known as "Toronto's Flatiron."

This whimsical fountain pays tribute to Toronto's four-legged friends.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

Electrical pylon in the shape of Disney's beloved mouse.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

An entire subdivision was accidentally built on a flood plain, resulting in its eventual demolition—but the streets are still there.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A bright little alley in La Boca is a part of tango history.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.