The world's largest collection of the world's largest objects is in one small Illinois town.

A spiritual vortex among the red rocks in Sedona.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

This giant temperature attraction created some giant electric bills.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The ruins of the movie ranch owned by actor and stuntman Ray "Crash" Corrigan.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

An icon among Florida's pre-Disney tourist attractions, just west of Orlando.

Former wax museum from the 1960s, home to many wax U.S. Presidents and the famous White House miniature.

A vast array of tropical plants collected by a vacationing couple.

A building so large that it has its own weather.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

A mysterious castle built as a monument to lost love.

The palatial McDonald's that inspired Wesley Willis.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.