Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

One part antique store, one part curiosities hodge-podge.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

A historic, century-old house plopped along the perimeter of Houston's ballpark.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.

Beer lover's can-covered house.

Its collection is a sweet reminder of the shuttered factory.

This wild explosion of color on a disused water tower tells the whimsical tale of a curious puffin.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

Resting place of the Texas A&M canine mascots, who watch the game from the grave with their own miniature scoreboard.

A medieval castle in the middle of rural Texas.

Scale replica of China's ancient terracotta tomb warriors and Forbidden City are the side project of an eccentric millionaire.

A taste of Middle Earth, in the middle of the Bayou City.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

A unique geological area spiked with wind-carved rocks that resemble teepees.

This sparsely populated town offers a look back in time.

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

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

A lush green oasis in the middle of Chicago.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.